16700074 has 4 divisors (see below), whose sum is σ = 25050114. Its totient is φ = 8350036.

The previous prime is 16700071. The next prime is 16700081. The reversal of 16700074 is 47000761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 257049 = 4055^2 + 507^2 .

It is not an unprimeable number, because it can be changed into a prime (16700071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4175017 + ... + 4175020.

Almost surely, 2^16700074 is an apocalyptic number.

16700074 is a deficient number, since it is larger than the sum of its proper divisors (8350040).

16700074 is an equidigital number, since it uses as much as digits as its factorization.

16700074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350039.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 16700074 is about 4086.5724023930. The cubic root of 16700074 is about 255.6070325904.

The spelling of 16700074 in words is "sixteen million, seven hundred thousand, seventy-four".