72470265 has 48 divisors (see below), whose sum is σ = 138080448. Its totient is φ = 32344704.

The previous prime is 72470243. The next prime is 72470267. The reversal of 72470265 is 56207427.

It is not a de Polignac number, because 72470265 - 2¹³ = 72462073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72470267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30459 + ... + 32751.

It is an arithmetic number, because the mean of its divisors is an integer number (2876676).

Almost surely, 2^72470265 is an apocalyptic number.

It is an amenable number.

72470265 is a deficient number, since it is larger than the sum of its proper divisors (65610183).

72470265 is a wasteful number, since it uses less digits than its factorization.

72470265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 72470265 is about 8512.9469045684. The cubic root of 72470265 is about 416.9205318723.

The spelling of 72470265 in words is "seventy-two million, four hundred seventy thousand, two hundred sixty-five".