72646150 has 12 divisors (see below), whose sum is σ = 135121932. Its totient is φ = 29058440.

The previous prime is 72646111. The next prime is 72646153. The reversal of 72646150 is 5164627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72646153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726412 + ... + 726511.

It is an arithmetic number, because the mean of its divisors is an integer number (11260161).

Almost surely, 2^72646150 is an apocalyptic number.

72646150 is a deficient number, since it is larger than the sum of its proper divisors (62475782).

72646150 is a wasteful number, since it uses less digits than its factorization.

72646150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452935 (or 1452930 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 72646150 is about 8523.2710856807. The cubic root of 72646150 is about 417.2575474455.

The spelling of 72646150 in words is "seventy-two million, six hundred forty-six thousand, one hundred fifty".