72923286 has 8 divisors (see below), whose sum is σ = 145846584. Its totient is φ = 24307760.

The previous prime is 72923261. The next prime is 72923287. The reversal of 72923286 is 68232927.

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

72923286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72923287) 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, 6076935 + ... + 6076946.

It is an arithmetic number, because the mean of its divisors is an integer number (18230823).

Almost surely, 2^72923286 is an apocalyptic number.

72923286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72923286 is a wasteful number, since it uses less digits than its factorization.

72923286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12153886.

The product of its digits is 72576, while the sum is 39.

The square root of 72923286 is about 8539.5132179768. The cubic root of 72923286 is about 417.7874693179.

The spelling of 72923286 in words is "seventy-two million, nine hundred twenty-three thousand, two hundred eighty-six".