27157392 has 60 divisors (see below), whose sum is σ = 76782784. Its totient is φ = 8959680.

The previous prime is 27157391. The next prime is 27157397. The reversal of 27157392 is 29375172.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27157391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13917 + ... + 15747.

Almost surely, 2^27157392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27157392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38391392).

27157392 is an abundant number, since it is smaller than the sum of its proper divisors (49625392).

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

27157392 is a wasteful number, since it uses less digits than its factorization.

27157392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1939 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 27157392 is about 5211.2754676758. The cubic root of 27157392 is about 300.5818042832.

It can be divided in two parts, 2715 and 7392, that multiplied together give a triangular number (20069280 = T₆₃₃₅).

The spelling of 27157392 in words is "twenty-seven million, one hundred fifty-seven thousand, three hundred ninety-two".