13642074 has 32 divisors (see below), whose sum is σ = 30464640. Its totient is φ = 4525056.

The previous prime is 13642067. The next prime is 13642087. The reversal of 13642074 is 47024631.

13642074 is a `hidden beast` number, since 13 + 642 + 0 + 7 + 4 = 666.

It is a super-2 number, since 2×13642074² = 372212366042952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13387 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (952020).

Almost surely, 2^13642074 is an apocalyptic number.

13642074 is an abundant number, since it is smaller than the sum of its proper divisors (16822566).

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

13642074 is a wasteful number, since it uses less digits than its factorization.

13642074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 13642074 is about 3693.5178353434. The cubic root of 13642074 is about 238.9425350426.

The spelling of 13642074 in words is "thirteen million, six hundred forty-two thousand, seventy-four".