72978093462 has 16 divisors (see below), whose sum is σ = 145980637632. Its totient is φ = 24321956040.

The previous prime is 72978093451. The next prime is 72978093523. The reversal of 72978093462 is 26439087927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979864 + ... + 1051707.

It is an arithmetic number, because the mean of its divisors is an integer number (9123789852).

Almost surely, 2^72978093462 is an apocalyptic number.

72978093462 is an abundant number, since it is smaller than the sum of its proper divisors (73002544170).

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

72978093462 is a wasteful number, since it uses less digits than its factorization.

72978093462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037563.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 72978093462 in words is "seventy-two billion, nine hundred seventy-eight million, ninety-three thousand, four hundred sixty-two".