72883892 has 6 divisors (see below), whose sum is σ = 127546818. Its totient is φ = 36441944.

The previous prime is 72883847. The next prime is 72883897. The reversal of 72883892 is 29838827.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 26152996 = 6836^2 + 5114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72883897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9110483 + ... + 9110490.

It is an arithmetic number, because the mean of its divisors is an integer number (21257803).

Almost surely, 2^72883892 is an apocalyptic number.

It is an amenable number.

72883892 is a deficient number, since it is larger than the sum of its proper divisors (54662926).

72883892 is a wasteful number, since it uses less digits than its factorization.

72883892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18220977 (or 18220975 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 72883892 is about 8537.2063346273. The cubic root of 72883892 is about 417.7122245641.

The spelling of 72883892 in words is "seventy-two million, eight hundred eighty-three thousand, eight hundred ninety-two".