74498427136 has 81 divisors (see below), whose sum is σ = 173055361689. Its totient is φ = 31914796032.

The previous prime is 74498427119. The next prime is 74498427163. The reversal of 74498427136 is 63172489447.

The square root of 74498427136 is 272944.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70161414400 + 4337012736 = 264880^2 + 65856^2 .

It is a super-3 number, since 3×74498427136³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30568510 + ... + 30570946.

Almost surely, 2^74498427136 is an apocalyptic number.

74498427136 is the 272944-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74498427136

74498427136 is an abundant number, since it is smaller than the sum of its proper divisors (98556934553).

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

74498427136 is an frugal number, since it uses more digits than its factorization.

74498427136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 2446 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The spelling of 74498427136 in words is "seventy-four billion, four hundred ninety-eight million, four hundred twenty-seven thousand, one hundred thirty-six".