274672664 has 64 divisors (see below), whose sum is σ = 628972800. Its totient is φ = 109828224.

The previous prime is 274672661. The next prime is 274672681. The reversal of 274672664 is 466276472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274672661) 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, 69362 + ... + 73214.

It is an arithmetic number, because the mean of its divisors is an integer number (9827700).

Almost surely, 2^274672664 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 274672664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314486400).

274672664 is an abundant number, since it is smaller than the sum of its proper divisors (354300136).

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

274672664 is a wasteful number, since it uses less digits than its factorization.

274672664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3948 counting only the distinct ones).

The product of its digits is 677376, while the sum is 44.

The square root of 274672664 is about 16573.2514613156. The cubic root of 274672664 is about 650.0376025584.

The spelling of 274672664 in words is "two hundred seventy-four million, six hundred seventy-two thousand, six hundred sixty-four".