72839092 has 12 divisors (see below), whose sum is σ = 127836100. Its totient is φ = 36314496.

The previous prime is 72839077. The next prime is 72839093. The reversal of 72839092 is 29093827.

It can be written as a sum of positive squares in 2 ways, for example, as 18610596 + 54228496 = 4314^2 + 7364^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72839093) 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, 24693 + ... + 27484.

Almost surely, 2^72839092 is an apocalyptic number.

It is an amenable number.

72839092 is a deficient number, since it is larger than the sum of its proper divisors (54997008).

72839092 is a wasteful number, since it uses less digits than its factorization.

72839092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52530 (or 52528 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 72839092 is about 8534.5821221663. The cubic root of 72839092 is about 417.6266210893.

The spelling of 72839092 in words is "seventy-two million, eight hundred thirty-nine thousand, ninety-two".