72097926 has 16 divisors (see below), whose sum is σ = 147713328. Its totient is φ = 23446400.

The previous prime is 72097891. The next prime is 72097937. The reversal of 72097926 is 62979027.

It is a super-2 number, since 2×72097926² = 10396221867002952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146295 + ... + 146786.

It is an arithmetic number, because the mean of its divisors is an integer number (9232083).

Almost surely, 2^72097926 is an apocalyptic number.

72097926 is an abundant number, since it is smaller than the sum of its proper divisors (75615402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72097926 is a wasteful number, since it uses less digits than its factorization.

72097926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293127.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 72097926 is about 8491.0497584221. The cubic root of 72097926 is about 416.2052849910.

The spelling of 72097926 in words is "seventy-two million, ninety-seven thousand, nine hundred twenty-six".