72386650 has 24 divisors (see below), whose sum is σ = 153874080. Its totient is φ = 24818160.

The previous prime is 72386641. The next prime is 72386653. The reversal of 72386650 is 5668327.

It is not an unprimeable number, because it can be changed into a prime (72386653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103060 + ... + 103759.

It is an arithmetic number, because the mean of its divisors is an integer number (6411420).

Almost surely, 2^72386650 is an apocalyptic number.

72386650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72386650 is an abundant number, since it is smaller than the sum of its proper divisors (81487430).

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

72386650 is a wasteful number, since it uses less digits than its factorization.

72386650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206838 (or 206833 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 72386650 is about 8508.0344381061. The cubic root of 72386650 is about 416.7601248136.

The spelling of 72386650 in words is "seventy-two million, three hundred eighty-six thousand, six hundred fifty".