16000074 has 24 divisors (see below), whose sum is σ = 34802820. Its totient is φ = 5312448.

The previous prime is 16000057. The next prime is 16000079. The reversal of 16000074 is 47000061.

It can be written as a sum of positive squares in 2 ways, for example, as 15657849 + 342225 = 3957^2 + 585^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

16000074 is a modest number, since divided by 74 gives 16 as remainder.

It is not an unprimeable number, because it can be changed into a prime (16000079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3382 + ... + 6590.

Almost surely, 2^16000074 is an apocalyptic number.

16000074 is an abundant number, since it is smaller than the sum of its proper divisors (18802746).

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

16000074 is a wasteful number, since it uses less digits than its factorization.

16000074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 16000074 is about 4000.0092499893. The cubic root of 16000074 is about 251.9845984540.

The spelling of 16000074 in words is "sixteen million, seventy-four", and thus it is an aban number.