72926212 has 6 divisors (see below), whose sum is σ = 127620878. Its totient is φ = 36463104.

The previous prime is 72926179. The next prime is 72926233. The reversal of 72926212 is 21262927.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 3437316 = 8336^2 + 1854^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9115773 + ... + 9115780.

Almost surely, 2^72926212 is an apocalyptic number.

It is an amenable number.

72926212 is a deficient number, since it is larger than the sum of its proper divisors (54694666).

72926212 is a wasteful number, since it uses less digits than its factorization.

72926212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231557 (or 18231555 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 72926212 is about 8539.6845374990. The cubic root of 72926212 is about 417.7930570611.

The spelling of 72926212 in words is "seventy-two million, nine hundred twenty-six thousand, two hundred twelve".