274020864 has 80 divisors (see below), whose sum is σ = 786220512. Its totient is φ = 84307968.

The previous prime is 274020863. The next prime is 274020889. The reversal of 274020864 is 468020472.

It is not an unprimeable number, because it can be changed into a prime (274020863) 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, 13107 + ... + 26829.

Almost surely, 2^274020864 is an apocalyptic number.

274020864 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 274020864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393110256).

274020864 is an abundant number, since it is smaller than the sum of its proper divisors (512199648).

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

274020864 is a wasteful number, since it uses less digits than its factorization.

274020864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13757 (or 13741 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 274020864 is about 16553.5755654179. The cubic root of 274020864 is about 649.5230141644.

The spelling of 274020864 in words is "two hundred seventy-four million, twenty thousand, eight hundred sixty-four".