72255370 has 32 divisors (see below), whose sum is σ = 142502976. Its totient is φ = 26160000.

The previous prime is 72255367. The next prime is 72255371. The reversal of 72255370 is 7355227.

It is not an unprimeable number, because it can be changed into a prime (72255371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26302 + ... + 28918.

It is an arithmetic number, because the mean of its divisors is an integer number (4453218).

Almost surely, 2^72255370 is an apocalyptic number.

72255370 is a deficient number, since it is larger than the sum of its proper divisors (70247606).

72255370 is a wasteful number, since it uses less digits than its factorization.

72255370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 72255370 is about 8500.3158764836. The cubic root of 72255370 is about 416.5080277863.

The spelling of 72255370 in words is "seventy-two million, two hundred fifty-five thousand, three hundred seventy".