92139472 has 80 divisors (see below), whose sum is σ = 196094592. Its totient is φ = 41817600.

The previous prime is 92139457. The next prime is 92139479. The reversal of 92139472 is 27493129.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92139479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912222 + ... + 912322.

Almost surely, 2^92139472 is an apocalyptic number.

92139472 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 92139472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98047296).

92139472 is an abundant number, since it is smaller than the sum of its proper divisors (103955120).

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

92139472 is a wasteful number, since it uses less digits than its factorization.

92139472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 230 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 92139472 is about 9598.9307737893. The cubic root of 92139472 is about 451.6637538940.

The spelling of 92139472 in words is "ninety-two million, one hundred thirty-nine thousand, four hundred seventy-two".