72701092 has 12 divisors (see below), whose sum is σ = 127301580. Its totient is φ = 36329216.

The previous prime is 72701071. The next prime is 72701117. The reversal of 72701092 is 29010727.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42823936 + 29877156 = 6544^2 + 5466^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 72701092.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248 + ... + 12784.

It is an arithmetic number, because the mean of its divisors is an integer number (10608465).

Almost surely, 2^72701092 is an apocalyptic number.

It is an amenable number.

72701092 is a deficient number, since it is larger than the sum of its proper divisors (54600488).

72701092 is a wasteful number, since it uses less digits than its factorization.

72701092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670 (or 10668 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 72701092 is about 8526.4935348595. The cubic root of 72701092 is about 417.3627110237.

The spelling of 72701092 in words is "seventy-two million, seven hundred one thousand, ninety-two".