72550832 has 40 divisors (see below), whose sum is σ = 155320416. Its totient is φ = 32654336.

The previous prime is 72550783. The next prime is 72550867. The reversal of 72550832 is 23805527.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458 + ... + 12054.

Almost surely, 2^72550832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72550832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77660208).

72550832 is an abundant number, since it is smaller than the sum of its proper divisors (82769584).

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

72550832 is a wasteful number, since it uses less digits than its factorization.

72550832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11645 (or 11639 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 72550832 is about 8517.6776177547. The cubic root of 72550832 is about 417.0749749695.

The spelling of 72550832 in words is "seventy-two million, five hundred fifty thousand, eight hundred thirty-two".