64274376 has 32 divisors (see below), whose sum is σ = 162496800. Its totient is φ = 21183360.

The previous prime is 64274363. The next prime is 64274381. The reversal of 64274376 is 67347246.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12910 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (5078025).

Almost surely, 2^64274376 is an apocalyptic number.

It is an amenable number.

64274376 is an abundant number, since it is smaller than the sum of its proper divisors (98222424).

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

64274376 is a wasteful number, since it uses less digits than its factorization.

64274376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30189 (or 30185 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 64274376 is about 8017.1301598515. The cubic root of 64274376 is about 400.5708017426.

The spelling of 64274376 in words is "sixty-four million, two hundred seventy-four thousand, three hundred seventy-six".