21734058 has 16 divisors (see below), whose sum is σ = 46025280. Its totient is φ = 6818496.

The previous prime is 21734039. The next prime is 21734077. The reversal of 21734058 is 85043712.

It is an interprime number because it is at equal distance from previous prime (21734039) and next prime (21734077).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106438 + ... + 106641.

It is an arithmetic number, because the mean of its divisors is an integer number (2876580).

Almost surely, 2^21734058 is an apocalyptic number.

21734058 is an abundant number, since it is smaller than the sum of its proper divisors (24291222).

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

21734058 is a wasteful number, since it uses less digits than its factorization.

21734058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213101.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 21734058 is about 4661.9800514374. The cubic root of 21734058 is about 279.0702922797.

The spelling of 21734058 in words is "twenty-one million, seven hundred thirty-four thousand, fifty-eight".