72070604 has 6 divisors (see below), whose sum is σ = 126123564. Its totient is φ = 36035300.

The previous prime is 72070601. The next prime is 72070657. The reversal of 72070604 is 40607027.

It is not an unprimeable number, because it can be changed into a prime (72070601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9008822 + ... + 9008829.

It is an arithmetic number, because the mean of its divisors is an integer number (21020594).

Almost surely, 2^72070604 is an apocalyptic number.

It is an amenable number.

72070604 is a deficient number, since it is larger than the sum of its proper divisors (54052960).

72070604 is a wasteful number, since it uses less digits than its factorization.

72070604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18017655 (or 18017653 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 72070604 is about 8489.4407354077. The cubic root of 72070604 is about 416.1527037395.

The spelling of 72070604 in words is "seventy-two million, seventy thousand, six hundred four".