74723502736 has 45 divisors (see below), whose sum is σ = 148876030569. Its totient is φ = 36332292672.

The previous prime is 74723502719. The next prime is 74723502757. The reversal of 74723502736 is 63720532747.

The square root of 74723502736 is 273356.

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., 66863616400 + 7859886336 = 258580^2 + 88656^2 .

It is a super-2 number, since 2×74723502736² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40455765 + ... + 40457611.

Almost surely, 2^74723502736 is an apocalyptic number.

74723502736 is the 273356-th square number.

It is an amenable number.

74723502736 is a deficient number, since it is larger than the sum of its proper divisors (74152527833).

74723502736 is an frugal number, since it uses more digits than its factorization.

74723502736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 46.

The spelling of 74723502736 in words is "seventy-four billion, seven hundred twenty-three million, five hundred two thousand, seven hundred thirty-six".