72675436744 has 16 divisors (see below), whose sum is σ = 138133108620. Its totient is φ = 35839941120.

The previous prime is 72675436739. The next prime is 72675436759. The reversal of 72675436744 is 44763457627.

It can be written as a sum of positive squares in 2 ways, for example, as 72663671844 + 11764900 = 269562^2 + 3430^2 .

It is a super-2 number, since 2×72675436744² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 62221537 + ... + 62222704.

Almost surely, 2^72675436744 is an apocalyptic number.

It is an amenable number.

72675436744 is a deficient number, since it is larger than the sum of its proper divisors (65457671876).

72675436744 is a wasteful number, since it uses less digits than its factorization.

72675436744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124444320 (or 124444316 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 55.

The spelling of 72675436744 in words is "seventy-two billion, six hundred seventy-five million, four hundred thirty-six thousand, seven hundred forty-four".