20734374 has 8 divisors (see below), whose sum is σ = 41468760. Its totient is φ = 6911456.

The previous prime is 20734369. The next prime is 20734403. The reversal of 20734374 is 47343702.

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

20734374 is an admirable number.

It is a congruent number.

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, 1727859 + ... + 1727870.

It is an arithmetic number, because the mean of its divisors is an integer number (5183595).

Almost surely, 2^20734374 is an apocalyptic number.

20734374 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.

20734374 is a wasteful number, since it uses less digits than its factorization.

20734374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455734.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 20734374 is about 4553.5012902161. The cubic root of 20734374 is about 274.7242370631.

The spelling of 20734374 in words is "twenty million, seven hundred thirty-four thousand, three hundred seventy-four".