72150324 has 24 divisors (see below), whose sum is σ = 172458048. Its totient is φ = 23463360.

The previous prime is 72150269. The next prime is 72150341. The reversal of 72150324 is 42305127.

It is a junction number, because it is equal to n+sod(n) for n = 72150294 and 72150303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72832 + ... + 73815.

It is an arithmetic number, because the mean of its divisors is an integer number (7185752).

Almost surely, 2^72150324 is an apocalyptic number.

It is an amenable number.

72150324 is an abundant number, since it is smaller than the sum of its proper divisors (100307724).

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

72150324 is a wasteful number, since it uses less digits than its factorization.

72150324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146695 (or 146693 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 72150324 is about 8494.1346822381. The cubic root of 72150324 is about 416.3060879069.

The spelling of 72150324 in words is "seventy-two million, one hundred fifty thousand, three hundred twenty-four".