72823292 has 12 divisors (see below), whose sum is σ = 131835480. Its totient is φ = 35156016.

The previous prime is 72823273. The next prime is 72823297. The reversal of 72823292 is 29232827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72823297) 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, 313778 + ... + 314009.

It is an arithmetic number, because the mean of its divisors is an integer number (10986290).

Almost surely, 2^72823292 is an apocalyptic number.

It is an amenable number.

72823292 is a deficient number, since it is larger than the sum of its proper divisors (59012188).

72823292 is a wasteful number, since it uses less digits than its factorization.

72823292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627820 (or 627818 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 72823292 is about 8533.6564261751. The cubic root of 72823292 is about 417.5964222058.

It can be divided in two parts, 728 and 23292, that multiplied together give a triangular number (16956576 = T₅₈₂₃).

The spelling of 72823292 in words is "seventy-two million, eight hundred twenty-three thousand, two hundred ninety-two".