740248133 has 2 divisors, whose sum is σ = 740248134. Its totient is φ = 740248132.

The previous prime is 740248111. The next prime is 740248147. The reversal of 740248133 is 331842047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732947329 + 7300804 = 27073^2 + 2702^2 .

It is an emirp because it is prime and its reverse (331842047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740248133 - 2¹⁴ = 740231749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740248133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740248193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370124066 + 370124067.

It is an arithmetic number, because the mean of its divisors is an integer number (370124067).

Almost surely, 2^740248133 is an apocalyptic number.

It is an amenable number.

740248133 is a deficient number, since it is larger than the sum of its proper divisors (1).

740248133 is an equidigital number, since it uses as much as digits as its factorization.

740248133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 740248133 is about 27207.5014104566. The cubic root of 740248133 is about 904.6052562511.

The spelling of 740248133 in words is "seven hundred forty million, two hundred forty-eight thousand, one hundred thirty-three".