274686064 has 80 divisors (see below), whose sum is σ = 567642240. Its totient is φ = 128620800.

The previous prime is 274686037. The next prime is 274686067. The reversal of 274686064 is 460686472.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 274686064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274686067) 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, 2719614 + ... + 2719714.

It is an arithmetic number, because the mean of its divisors is an integer number (7095528).

Almost surely, 2^274686064 is an apocalyptic number.

It is an amenable number.

274686064 is an abundant number, since it is smaller than the sum of its proper divisors (292956176).

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

274686064 is a wasteful number, since it uses less digits than its factorization.

274686064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 274686064 is about 16573.6557222600. The cubic root of 274686064 is about 650.0481731555.

The spelling of 274686064 in words is "two hundred seventy-four million, six hundred eighty-six thousand, sixty-four".