72872822 has 16 divisors (see below), whose sum is σ = 120344400. Its totient is φ = 32819040.

The previous prime is 72872819. The next prime is 72872837. The reversal of 72872822 is 22827827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12797 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (7521525).

Almost surely, 2^72872822 is an apocalyptic number.

72872822 is a deficient number, since it is larger than the sum of its proper divisors (47471578).

72872822 is a wasteful number, since it uses less digits than its factorization.

72872822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30511.

The product of its digits is 50176, while the sum is 38.

The square root of 72872822 is about 8536.5579714543. The cubic root of 72872822 is about 417.6910753621.

It can be divided in two parts, 728728 and 22, that multiplied together give a square (16032016 = 4004²).

The spelling of 72872822 in words is "seventy-two million, eight hundred seventy-two thousand, eight hundred twenty-two".