72873766 has 8 divisors (see below), whose sum is σ = 124926480. Its totient is φ = 31231608.

The previous prime is 72873763. The next prime is 72873767. The reversal of 72873766 is 66737827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72873763) 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, 2602621 + ... + 2602648.

It is an arithmetic number, because the mean of its divisors is an integer number (15615810).

Almost surely, 2^72873766 is an apocalyptic number.

72873766 is a deficient number, since it is larger than the sum of its proper divisors (52052714).

72873766 is a wasteful number, since it uses less digits than its factorization.

72873766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205278.

The product of its digits is 592704, while the sum is 46.

The square root of 72873766 is about 8536.6132628812. The cubic root of 72873766 is about 417.6928789548.

The spelling of 72873766 in words is "seventy-two million, eight hundred seventy-three thousand, seven hundred sixty-six".