20873674 has 8 divisors (see below), whose sum is σ = 32074308. Its totient is φ = 10182240.

The previous prime is 20873663. The next prime is 20873681. The reversal of 20873674 is 47637802.

It can be written as a sum of positive squares in 2 ways, for example, as 19421649 + 1452025 = 4407^2 + 1205^2 .

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

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, 127197 + ... + 127360.

Almost surely, 2^20873674 is an apocalyptic number.

20873674 is a deficient number, since it is larger than the sum of its proper divisors (11200634).

20873674 is a wasteful number, since it uses less digits than its factorization.

20873674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254600.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 20873674 is about 4568.7716073360. The cubic root of 20873674 is about 275.3380921593.

The spelling of 20873674 in words is "twenty million, eight hundred seventy-three thousand, six hundred seventy-four".