74916802465 has 8 divisors (see below), whose sum is σ = 92329897320. Its totient is φ = 58313619072.

The previous prime is 74916802439. The next prime is 74916802469. The reversal of 74916802465 is 56420861947.

It can be written as a sum of positive squares in 4 ways, for example, as 5940709776 + 68976092689 = 77076^2 + 262633^2 .

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 74916802465 - 2¹¹ = 74916800417 is a prime.

It is a super-2 number, since 2×74916802465² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74916802469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202477660 + ... + 202478029.

It is an arithmetic number, because the mean of its divisors is an integer number (11541237165).

Almost surely, 2^74916802465 is an apocalyptic number.

It is an amenable number.

74916802465 is a deficient number, since it is larger than the sum of its proper divisors (17413094855).

74916802465 is a wasteful number, since it uses less digits than its factorization.

74916802465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404955731.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 74916802465 in words is "seventy-four billion, nine hundred sixteen million, eight hundred two thousand, four hundred sixty-five".