21295074 has 8 divisors (see below), whose sum is σ = 42590160. Its totient is φ = 7098356.

The previous prime is 21295073. The next prime is 21295111. The reversal of 21295074 is 47059212.

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

21295074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21295073) 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, 1774584 + ... + 1774595.

It is an arithmetic number, because the mean of its divisors is an integer number (5323770).

Almost surely, 2^21295074 is an apocalyptic number.

21295074 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.

21295074 is a wasteful number, since it uses less digits than its factorization.

21295074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549184.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 21295074 is about 4614.6586005901. The cubic root of 21295074 is about 277.1786134018.

The spelling of 21295074 in words is "twenty-one million, two hundred ninety-five thousand, seventy-four".