72370245 has 16 divisors (see below), whose sum is σ = 116988480. Its totient is φ = 38198784.

The previous prime is 72370219. The next prime is 72370267. The reversal of 72370245 is 54207327.

It is not a de Polignac number, because 72370245 - 2²³ = 63981637 is a prime.

It is a super-2 number, since 2×72370245² = 10474904722720050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23415 + ... + 26324.

It is an arithmetic number, because the mean of its divisors is an integer number (7311780).

Almost surely, 2^72370245 is an apocalyptic number.

It is an amenable number.

72370245 is a deficient number, since it is larger than the sum of its proper divisors (44618235).

72370245 is a wasteful number, since it uses less digits than its factorization.

72370245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49844.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 72370245 is about 8507.0702947607. The cubic root of 72370245 is about 416.7286389600.

The spelling of 72370245 in words is "seventy-two million, three hundred seventy thousand, two hundred forty-five".