72658704494 has 8 divisors (see below), whose sum is σ = 110835312120. Its totient is φ = 35713600456.

The previous prime is 72658704457. The next prime is 72658704539. The reversal of 72658704494 is 49440785627.

It is a happy number.

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, 307875749 + ... + 307875984.

It is an arithmetic number, because the mean of its divisors is an integer number (13854414015).

Almost surely, 2^72658704494 is an apocalyptic number.

72658704494 is a deficient number, since it is larger than the sum of its proper divisors (38176607626).

72658704494 is a wasteful number, since it uses less digits than its factorization.

72658704494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615751794.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 72658704494 in words is "seventy-two billion, six hundred fifty-eight million, seven hundred four thousand, four hundred ninety-four".