72511602782 has 8 divisors (see below), whose sum is σ = 108823736952. Its totient is φ = 36237023800.

The previous prime is 72511602767. The next prime is 72511602799. The reversal of 72511602782 is 28720611527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9383969 + ... + 9391692.

It is an arithmetic number, because the mean of its divisors is an integer number (13602967119).

Almost surely, 2^72511602782 is an apocalyptic number.

72511602782 is a deficient number, since it is larger than the sum of its proper divisors (36312134170).

72511602782 is a wasteful number, since it uses less digits than its factorization.

72511602782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18777594.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 72511602782 in words is "seventy-two billion, five hundred eleven million, six hundred two thousand, seven hundred eighty-two".