64929474 has 24 divisors (see below), whose sum is σ = 140858172. Its totient is φ = 21615840.

The previous prime is 64929467. The next prime is 64929481. The reversal of 64929474 is 47492946.

64929474 is a `hidden beast` number, since 6 + 492 + 94 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (64929467) and next prime (64929481).

It can be written as a sum of positive squares in 2 ways, for example, as 62015625 + 2913849 = 7875^2 + 1707^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16612 + ... + 20144.

Almost surely, 2^64929474 is an apocalyptic number.

64929474 is an abundant number, since it is smaller than the sum of its proper divisors (75928698).

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

64929474 is a wasteful number, since it uses less digits than its factorization.

64929474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562 (or 4559 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 64929474 is about 8057.8827243886. The cubic root of 64929474 is about 401.9271049233.

The spelling of 64929474 in words is "sixty-four million, nine hundred twenty-nine thousand, four hundred seventy-four".