274978944 has 192 divisors, whose sum is σ = 883116000. Its totient is φ = 81616896.

The previous prime is 274978909. The next prime is 274978967. The reversal of 274978944 is 449879472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×274978944² = 151226839286710272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371727 + ... + 372465.

Almost surely, 2^274978944 is an apocalyptic number.

274978944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274978944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441558000).

274978944 is an abundant number, since it is smaller than the sum of its proper divisors (608137056).

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

274978944 is a wasteful number, since it uses less digits than its factorization.

274978944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 780 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 274978944 is about 16582.4890773370. The cubic root of 274978944 is about 650.2791258787.

The spelling of 274978944 in words is "two hundred seventy-four million, nine hundred seventy-eight thousand, nine hundred forty-four".