72859550 has 24 divisors (see below), whose sum is σ = 135835056. Its totient is φ = 29075840.

The previous prime is 72859543. The next prime is 72859573. The reversal of 72859550 is 5595827.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72859498 and 72859507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23702 + ... + 26598.

It is an arithmetic number, because the mean of its divisors is an integer number (5659794).

Almost surely, 2^72859550 is an apocalyptic number.

72859550 is a deficient number, since it is larger than the sum of its proper divisors (62975506).

72859550 is a wasteful number, since it uses less digits than its factorization.

72859550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 72859550 is about 8535.7805735621. The cubic root of 72859550 is about 417.6657164223.

The spelling of 72859550 in words is "seventy-two million, eight hundred fifty-nine thousand, five hundred fifty".