274705490 has 16 divisors (see below), whose sum is σ = 496312920. Its totient is φ = 109472640.

The previous prime is 274705469. The next prime is 274705493. The reversal of 274705490 is 94507472.

It can be written as a sum of positive squares in 4 ways, for example, as 66797929 + 207907561 = 8173^2 + 14419^2 .

It is a super-2 number, since 2×274705490² = 150926212472280200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (274705493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48371 + ... + 53750.

Almost surely, 2^274705490 is an apocalyptic number.

274705490 is a deficient number, since it is larger than the sum of its proper divisors (221607430).

274705490 is a wasteful number, since it uses less digits than its factorization.

274705490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102397.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 274705490 is about 16574.2417624457. The cubic root of 274705490 is about 650.0634967556.

The spelling of 274705490 in words is "two hundred seventy-four million, seven hundred five thousand, four hundred ninety".