274172420 has 24 divisors (see below), whose sum is σ = 600796224. Its totient is φ = 104900576.

The previous prime is 274172419. The next prime is 274172441. The reversal of 274172420 is 24271472.

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, 297554 + ... + 298473.

It is an arithmetic number, because the mean of its divisors is an integer number (25033176).

Almost surely, 2^274172420 is an apocalyptic number.

274172420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274172420 is an abundant number, since it is smaller than the sum of its proper divisors (326623804).

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

274172420 is a wasteful number, since it uses less digits than its factorization.

274172420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596059 (or 596057 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 274172420 is about 16558.1526747400. The cubic root of 274172420 is about 649.6427385846.

The spelling of 274172420 in words is "two hundred seventy-four million, one hundred seventy-two thousand, four hundred twenty".