72433580 has 48 divisors (see below), whose sum is σ = 156473856. Its totient is φ = 28152000.

The previous prime is 72433553. The next prime is 72433589. The reversal of 72433580 is 8533427.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72433589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235787 + ... + 236093.

It is an arithmetic number, because the mean of its divisors is an integer number (3259872).

Almost surely, 2^72433580 is an apocalyptic number.

It is an amenable number.

72433580 is an abundant number, since it is smaller than the sum of its proper divisors (84040276).

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

72433580 is a wasteful number, since it uses less digits than its factorization.

72433580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 72433580 is about 8510.7919725487. The cubic root of 72433580 is about 416.8501705491.

The spelling of 72433580 in words is "seventy-two million, four hundred thirty-three thousand, five hundred eighty".