72250124 has 12 divisors (see below), whose sum is σ = 126634200. Its totient is φ = 36068928.

The previous prime is 72250121. The next prime is 72250133. The reversal of 72250124 is 42105227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72250124.

It is not an unprimeable number, because it can be changed into a prime (72250121) 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, 11069 + ... + 16340.

It is an arithmetic number, because the mean of its divisors is an integer number (10552850).

Almost surely, 2^72250124 is an apocalyptic number.

It is an amenable number.

72250124 is a deficient number, since it is larger than the sum of its proper divisors (54384076).

72250124 is a wasteful number, since it uses less digits than its factorization.

72250124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28072 (or 28070 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 72250124 is about 8500.0072941145. The cubic root of 72250124 is about 416.4979475483.

The spelling of 72250124 in words is "seventy-two million, two hundred fifty thousand, one hundred twenty-four".