72080692 has 6 divisors (see below), whose sum is σ = 126141218. Its totient is φ = 36040344.

The previous prime is 72080683. The next prime is 72080753. The reversal of 72080692 is 29608027.

It can be written as a sum of positive squares in only one way, i.e., 41011216 + 31069476 = 6404^2 + 5574^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9010083 + ... + 9010090.

Almost surely, 2^72080692 is an apocalyptic number.

It is an amenable number.

72080692 is a deficient number, since it is larger than the sum of its proper divisors (54060526).

72080692 is a wasteful number, since it uses less digits than its factorization.

72080692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020177 (or 18020175 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72080692 is about 8490.0348644749. The cubic root of 72080692 is about 416.1721196658.

The spelling of 72080692 in words is "seventy-two million, eighty thousand, six hundred ninety-two".