27742460 has 12 divisors (see below), whose sum is σ = 58259208. Its totient is φ = 11096976.

The previous prime is 27742447. The next prime is 27742471. The reversal of 27742460 is 6424772.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693542 + ... + 693581.

It is an arithmetic number, because the mean of its divisors is an integer number (4854934).

Almost surely, 2^27742460 is an apocalyptic number.

27742460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27742460 is an abundant number, since it is smaller than the sum of its proper divisors (30516748).

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

27742460 is a wasteful number, since it uses less digits than its factorization.

27742460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387132 (or 1387130 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 27742460 is about 5267.1111626773. Note that the first 4 decimals coincide. The cubic root of 27742460 is about 302.7250243798.

The spelling of 27742460 in words is "twenty-seven million, seven hundred forty-two thousand, four hundred sixty".