72607238 has 32 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 30674560.

The previous prime is 72607237. The next prime is 72607243. The reversal of 72607238 is 83270627.

It is a super-2 number, since 2×72607238² = 10543622019977288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72607198 and 72607207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72607231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29873 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (3980340).

Almost surely, 2^72607238 is an apocalyptic number.

72607238 is a deficient number, since it is larger than the sum of its proper divisors (54763642).

72607238 is a wasteful number, since it uses less digits than its factorization.

72607238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 72607238 is about 8520.9880882442. The cubic root of 72607238 is about 417.1830345475.

The spelling of 72607238 in words is "seventy-two million, six hundred seven thousand, two hundred thirty-eight".