64000074 has 8 divisors (see below), whose sum is σ = 128000160. Its totient is φ = 21333356.

The previous prime is 64000067. The next prime is 64000091. The reversal of 64000074 is 47000046.

It is a sphenic number, since it is the product of 3 distinct primes.

64000074 is an admirable number.

64000074 is a modest number, since divided by 74 gives 64 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 64000074.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333334 + ... + 5333345.

It is an arithmetic number, because the mean of its divisors is an integer number (16000020).

Almost surely, 2^64000074 is an apocalyptic number.

64000074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64000074 is a wasteful number, since it uses less digits than its factorization.

64000074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666684.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 64000074 is about 8000.0046249987. The cubic root of 64000074 is about 400.0001541666. Note that the first 3 decimals are identical.

The spelling of 64000074 in words is "sixty-four million, seventy-four", and thus it is an aban number.