72866089430 has 32 divisors (see below), whose sum is σ = 133695684000. Its totient is φ = 28588115200.

The previous prime is 72866089427. The next prime is 72866089447. The reversal of 72866089430 is 3498066827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229055 + ... + 445194.

It is an arithmetic number, because the mean of its divisors is an integer number (4177990125).

Almost surely, 2^72866089430 is an apocalyptic number.

72866089430 is a deficient number, since it is larger than the sum of its proper divisors (60829594570).

72866089430 is a wasteful number, since it uses less digits than its factorization.

72866089430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674464.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 72866089430 in words is "seventy-two billion, eight hundred sixty-six million, eighty-nine thousand, four hundred thirty".