72593906 has 16 divisors (see below), whose sum is σ = 135760320. Its totient is φ = 28283280.

The previous prime is 72593881. The next prime is 72593923. The reversal of 72593906 is 60939527.

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, 235541 + ... + 235848.

It is an arithmetic number, because the mean of its divisors is an integer number (8485020).

Almost surely, 2^72593906 is an apocalyptic number.

72593906 is a deficient number, since it is larger than the sum of its proper divisors (63166414).

72593906 is a wasteful number, since it uses less digits than its factorization.

72593906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471409.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 72593906 is about 8520.2057486894. The cubic root of 72593906 is about 417.1574988717.

The spelling of 72593906 in words is "seventy-two million, five hundred ninety-three thousand, nine hundred six".