27957402 has 24 divisors (see below), whose sum is σ = 66081600. Its totient is φ = 8471880.

The previous prime is 27957383. The next prime is 27957403. The reversal of 27957402 is 20475972.

It is not an unprimeable number, because it can be changed into a prime (27957403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70402 + ... + 70797.

It is an arithmetic number, because the mean of its divisors is an integer number (2753400).

Almost surely, 2^27957402 is an apocalyptic number.

27957402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27957402 is an abundant number, since it is smaller than the sum of its proper divisors (38124198).

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

27957402 is a wasteful number, since it uses less digits than its factorization.

27957402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141218 (or 141215 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 27957402 is about 5287.4759573921. The cubic root of 27957402 is about 303.5048278189.

The spelling of 27957402 in words is "twenty-seven million, nine hundred fifty-seven thousand, four hundred two".