27953190 has 24 divisors (see below), whose sum is σ = 72678528. Its totient is φ = 7454160.

The previous prime is 27953179. The next prime is 27953221. The reversal of 27953190 is 9135972.

It is a super-2 number, since 2×27953190² = 1562761662352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155206 + ... + 155385.

It is an arithmetic number, because the mean of its divisors is an integer number (3028272).

Almost surely, 2^27953190 is an apocalyptic number.

27953190 is an abundant number, since it is smaller than the sum of its proper divisors (44725338).

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

27953190 is a wasteful number, since it uses less digits than its factorization.

27953190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310604 (or 310601 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 27953190 is about 5287.0776427058. The cubic root of 27953190 is about 303.4895852660.

The spelling of 27953190 in words is "twenty-seven million, nine hundred fifty-three thousand, one hundred ninety".