72294620 has 24 divisors (see below), whose sum is σ = 159810000. Its totient is φ = 27395712.

The previous prime is 72294619. The next prime is 72294631. The reversal of 72294620 is 2649227.

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, 94745 + ... + 95504.

It is an arithmetic number, because the mean of its divisors is an integer number (6658750).

Almost surely, 2^72294620 is an apocalyptic number.

It is an amenable number.

72294620 is an abundant number, since it is smaller than the sum of its proper divisors (87515380).

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

72294620 is a wasteful number, since it uses less digits than its factorization.

72294620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190277 (or 190275 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 72294620 is about 8502.6243007674. The cubic root of 72294620 is about 416.5834315515.

The spelling of 72294620 in words is "seventy-two million, two hundred ninety-four thousand, six hundred twenty".