72656150 has 24 divisors (see below), whose sum is σ = 154446960. Its totient is φ = 24910560.

The previous prime is 72656071. The next prime is 72656173. The reversal of 72656150 is 5165627.

It is a happy number.

It is a super-2 number, since 2×72656150² = 10557832265645000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 103445 + ... + 104144.

It is an arithmetic number, because the mean of its divisors is an integer number (6435290).

Almost surely, 2^72656150 is an apocalyptic number.

72656150 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72656150 is an abundant number, since it is smaller than the sum of its proper divisors (81790810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72656150 is a wasteful number, since it uses less digits than its factorization.

72656150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207608 (or 207603 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 72656150 is about 8523.8576947295. The cubic root of 72656150 is about 417.2766922271.

The spelling of 72656150 in words is "seventy-two million, six hundred fifty-six thousand, one hundred fifty".