72823882 has 4 divisors (see below), whose sum is σ = 109235826. Its totient is φ = 36411940.

The previous prime is 72823873. The next prime is 72823909. The reversal of 72823882 is 28832827.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 10556001 = 7891^2 + 3249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18205969 + ... + 18205972.

Almost surely, 2^72823882 is an apocalyptic number.

72823882 is a deficient number, since it is larger than the sum of its proper divisors (36411944).

72823882 is a wasteful number, since it uses less digits than its factorization.

72823882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36411943.

The product of its digits is 86016, while the sum is 40.

The square root of 72823882 is about 8533.6909951087. The cubic root of 72823882 is about 417.5975499641.

The spelling of 72823882 in words is "seventy-two million, eight hundred twenty-three thousand, eight hundred eighty-two".