72025224 has 32 divisors (see below), whose sum is σ = 180600000. Its totient is φ = 23936832.

The previous prime is 72025211. The next prime is 72025229. The reversal of 72025224 is 42252027.

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

It is a junction number, because it is equal to n+sod(n) for n = 72025194 and 72025203.

It is not an unprimeable number, because it can be changed into a prime (72025229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (5643750).

Almost surely, 2^72025224 is an apocalyptic number.

It is an amenable number.

72025224 is an abundant number, since it is smaller than the sum of its proper divisors (108574776).

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

72025224 is a wasteful number, since it uses less digits than its factorization.

72025224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957 (or 8953 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 72025224 is about 8486.7675825369. The cubic root of 72025224 is about 416.0653404515.

The spelling of 72025224 in words is "seventy-two million, twenty-five thousand, two hundred twenty-four".