72823396 has 6 divisors (see below), whose sum is σ = 127440950. Its totient is φ = 36411696.

The previous prime is 72823357. The next prime is 72823417. The reversal of 72823396 is 69332827.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 18800896 = 7350^2 + 4336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9102921 + ... + 9102928.

Almost surely, 2^72823396 is an apocalyptic number.

It is an amenable number.

72823396 is a deficient number, since it is larger than the sum of its proper divisors (54617554).

72823396 is a wasteful number, since it uses less digits than its factorization.

72823396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205853 (or 18205851 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 72823396 is about 8533.6625196922. The cubic root of 72823396 is about 417.5966209975.

The spelling of 72823396 in words is "seventy-two million, eight hundred twenty-three thousand, three hundred ninety-six".