72056278 has 16 divisors (see below), whose sum is σ = 124176384. Its totient is φ = 30718440.

The previous prime is 72056239. The next prime is 72056293. The reversal of 72056278 is 87265027.

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, 10800 + ... + 16147.

It is an arithmetic number, because the mean of its divisors is an integer number (7761024).

Almost surely, 2^72056278 is an apocalyptic number.

72056278 is a deficient number, since it is larger than the sum of its proper divisors (52120106).

72056278 is a wasteful number, since it uses less digits than its factorization.

72056278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 72056278 is about 8488.5969394241. The cubic root of 72056278 is about 416.1251280088.

The spelling of 72056278 in words is "seventy-two million, fifty-six thousand, two hundred seventy-eight".