742818621023 has 8 divisors (see below), whose sum is σ = 757663823376. Its totient is φ = 728059478400.

The previous prime is 742818620953. The next prime is 742818621037. The reversal of 742818621023 is 320126818247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742818621023 - 2¹⁰ = 742818619999 is a prime.

It is a super-2 number, since 2×742818621023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742818651023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21497498 + ... + 21532023.

It is an arithmetic number, because the mean of its divisors is an integer number (94707977922).

Almost surely, 2^742818621023 is an apocalyptic number.

742818621023 is a deficient number, since it is larger than the sum of its proper divisors (14845202353).

742818621023 is a wasteful number, since it uses less digits than its factorization.

742818621023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43029865.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 742818621023 in words is "seven hundred forty-two billion, eight hundred eighteen million, six hundred twenty-one thousand, twenty-three".