21574034 has 16 divisors (see below), whose sum is σ = 33948288. Its totient is φ = 10270512.

The previous prime is 21574027. The next prime is 21574087. The reversal of 21574034 is 43047512.

It is a junction number, because it is equal to n+sod(n) for n = 21573994 and 21574012.

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, 377 + ... + 6579.

It is an arithmetic number, because the mean of its divisors is an integer number (2121768).

Almost surely, 2^21574034 is an apocalyptic number.

21574034 is a deficient number, since it is larger than the sum of its proper divisors (12374254).

21574034 is a wasteful number, since it uses less digits than its factorization.

21574034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 21574034 is about 4644.7856785863. The cubic root of 21574034 is about 278.3836894400.

The spelling of 21574034 in words is "twenty-one million, five hundred seventy-four thousand, thirty-four".