72246120 has 64 divisors (see below), whose sum is σ = 223741440. Its totient is φ = 18643200.

The previous prime is 72246071. The next prime is 72246131. The reversal of 72246120 is 2164227.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5991 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (3495960).

Almost surely, 2^72246120 is an apocalyptic number.

It is an amenable number.

72246120 is an abundant number, since it is smaller than the sum of its proper divisors (151495320).

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

72246120 is a wasteful number, since it uses less digits than its factorization.

72246120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19466 (or 19462 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 72246120 is about 8499.7717616416. The cubic root of 72246120 is about 416.4902534965.

The spelling of 72246120 in words is "seventy-two million, two hundred forty-six thousand, one hundred twenty".