72370425 has 12 divisors (see below), whose sum is σ = 119652560. Its totient is φ = 38597520.

The previous prime is 72370423. The next prime is 72370433. The reversal of 72370425 is 52407327.

It is not a de Polignac number, because 72370425 - 2¹ = 72370423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72370392 and 72370401.

It is not an unprimeable number, because it can be changed into a prime (72370421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482395 + ... + 482544.

Almost surely, 2^72370425 is an apocalyptic number.

72370425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72370425 is a deficient number, since it is larger than the sum of its proper divisors (47282135).

72370425 is a wasteful number, since it uses less digits than its factorization.

72370425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964952 (or 964947 counting only the distinct ones).

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

The square root of 72370425 is about 8507.0808741895. The cubic root of 72370425 is about 416.7289844569.

The spelling of 72370425 in words is "seventy-two million, three hundred seventy thousand, four hundred twenty-five".