27870402 has 16 divisors (see below), whose sum is σ = 63703872. Its totient is φ = 7962960.

The previous prime is 27870391. The next prime is 27870413. The reversal of 27870402 is 20407872.

It is an interprime number because it is at equal distance from previous prime (27870391) and next prime (27870413).

It is a self number, because there is not a number n which added to its sum of digits gives 27870402.

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, 331749 + ... + 331832.

It is an arithmetic number, because the mean of its divisors is an integer number (3981492).

Almost surely, 2^27870402 is an apocalyptic number.

27870402 is an abundant number, since it is smaller than the sum of its proper divisors (35833470).

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

27870402 is a wasteful number, since it uses less digits than its factorization.

27870402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663593.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 27870402 is about 5279.2425593072. The cubic root of 27870402 is about 303.1896774448.

The spelling of 27870402 in words is "twenty-seven million, eight hundred seventy thousand, four hundred two".