74916802464 has 288 divisors, whose sum is σ = 239925913920. Its totient is φ = 20380889088.

The previous prime is 74916802439. The next prime is 74916802469. The reversal of 74916802464 is 46420861947.

It is a happy number.

It is a super-2 number, since 2×74916802464² (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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9954607 + ... + 9962129.

It is an arithmetic number, because the mean of its divisors is an integer number (833076090).

Almost surely, 2^74916802464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74916802464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119962956960).

74916802464 is an abundant number, since it is smaller than the sum of its proper divisors (165009111456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74916802464 is a wasteful number, since it uses less digits than its factorization.

74916802464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7637 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 74916802464 in words is "seventy-four billion, nine hundred sixteen million, eight hundred two thousand, four hundred sixty-four".