72650156 has 12 divisors (see below), whose sum is σ = 129843168. Its totient is φ = 35552112.

The previous prime is 72650153. The next prime is 72650159. The reversal of 72650156 is 65105627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72650153) and next prime (72650159).

It is not an unprimeable number, because it can be changed into a prime (72650153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193031 + ... + 193406.

It is an arithmetic number, because the mean of its divisors is an integer number (10820264).

Almost surely, 2^72650156 is an apocalyptic number.

It is an amenable number.

72650156 is a deficient number, since it is larger than the sum of its proper divisors (57193012).

72650156 is a wasteful number, since it uses less digits than its factorization.

72650156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386488 (or 386486 counting only the distinct ones).

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

The square root of 72650156 is about 8523.5060861127. The cubic root of 72650156 is about 417.2652170559.

The spelling of 72650156 in words is "seventy-two million, six hundred fifty thousand, one hundred fifty-six".