72401092 has 12 divisors (see below), whose sum is σ = 126766080. Its totient is φ = 36182216.

The previous prime is 72401059. The next prime is 72401093. The reversal of 72401092 is 29010427.

It is not an unprimeable number, because it can be changed into a prime (72401093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8373 + ... + 14659.

It is an arithmetic number, because the mean of its divisors is an integer number (10563840).

Almost surely, 2^72401092 is an apocalyptic number.

It is an amenable number.

72401092 is a deficient number, since it is larger than the sum of its proper divisors (54364988).

72401092 is a wasteful number, since it uses less digits than its factorization.

72401092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9168 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 72401092 is about 8508.8831229486. The cubic root of 72401092 is about 416.7878391757.

The spelling of 72401092 in words is "seventy-two million, four hundred one thousand, ninety-two".