16929974 has 8 divisors (see below), whose sum is σ = 25446960. Its totient is φ = 8447656.

The previous prime is 16929971. The next prime is 16930027. The reversal of 16929974 is 47992961.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16929971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7409 + ... + 9420.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^16929974 is an apocalyptic number.

16929974 is a deficient number, since it is larger than the sum of its proper divisors (8516986).

16929974 is a wasteful number, since it uses less digits than its factorization.

16929974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334.

The product of its digits is 244944, while the sum is 47.

The square root of 16929974 is about 4114.6049628123. The cubic root of 16929974 is about 256.7746211046.

The spelling of 16929974 in words is "sixteen million, nine hundred twenty-nine thousand, nine hundred seventy-four".