274149090 has 32 divisors (see below), whose sum is σ = 731064960. Its totient is φ = 73106352.

The previous prime is 274149079. The next prime is 274149097. The reversal of 274149090 is 90941472.

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 (274149097) 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, 507414 + ... + 507953.

It is an arithmetic number, because the mean of its divisors is an integer number (22845780).

Almost surely, 2^274149090 is an apocalyptic number.

274149090 is an abundant number, since it is smaller than the sum of its proper divisors (456915870).

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

274149090 is a wasteful number, since it uses less digits than its factorization.

274149090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015383 (or 1015377 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 274149090 is about 16557.4481729523. The cubic root of 274149090 is about 649.6243115001.

The spelling of 274149090 in words is "two hundred seventy-four million, one hundred forty-nine thousand, ninety".