Search a number
-
+
742762373 is a prime number
BaseRepresentation
bin101100010001011…
…010011110000101
31220202122020102112
4230101122132011
53010121343443
6201411550405
724256242653
oct5421323605
91822566375
10742762373
113512a7401
121888bb405
13bab62382
1470909dd3
154531cb18
hex2c45a785

742762373 has 2 divisors, whose sum is σ = 742762374. Its totient is φ = 742762372.

The previous prime is 742762369. The next prime is 742762403. The reversal of 742762373 is 373267247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 721620769 + 21141604 = 26863^2 + 4598^2 .

It is an emirp because it is prime and its reverse (373267247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742762373 - 22 = 742762369 is a prime.

It is a super-3 number, since 3×7427623733 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 742762373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742762303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371381186 + 371381187.

It is an arithmetic number, because the mean of its divisors is an integer number (371381187).

Almost surely, 2742762373 is an apocalyptic number.

It is an amenable number.

742762373 is a deficient number, since it is larger than the sum of its proper divisors (1).

742762373 is an equidigital number, since it uses as much as digits as its factorization.

742762373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 41.

The square root of 742762373 is about 27253.6671477436. The cubic root of 742762373 is about 905.6282576318.

The spelling of 742762373 in words is "seven hundred forty-two million, seven hundred sixty-two thousand, three hundred seventy-three".