72858370 has 64 divisors (see below), whose sum is σ = 148055040. Its totient is φ = 25632000.

The previous prime is 72858361. The next prime is 72858371. The reversal of 72858370 is 7385827.

It is not an unprimeable number, because it can be changed into a prime (72858371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406941 + ... + 407119.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^72858370 is an apocalyptic number.

72858370 is an abundant number, since it is smaller than the sum of its proper divisors (75196670).

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

72858370 is a wasteful number, since it uses less digits than its factorization.

72858370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 72858370 is about 8535.7114524801. The cubic root of 72858370 is about 417.6634616357.

The spelling of 72858370 in words is "seventy-two million, eight hundred fifty-eight thousand, three hundred seventy".