27761230 has 64 divisors (see below), whose sum is σ = 61129728. Its totient is φ = 8870400.

The previous prime is 27761203. The next prime is 27761231. The reversal of 27761230 is 3216772.

It is a super-2 number, since 2×27761230² = 1541371782225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27761231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69030 + ... + 69430.

It is an arithmetic number, because the mean of its divisors is an integer number (955152).

Almost surely, 2^27761230 is an apocalyptic number.

27761230 is an abundant number, since it is smaller than the sum of its proper divisors (33368498).

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

27761230 is a wasteful number, since it uses less digits than its factorization.

27761230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 27761230 is about 5268.8926730386. The cubic root of 27761230 is about 302.7932815773.

The spelling of 27761230 in words is "twenty-seven million, seven hundred sixty-one thousand, two hundred thirty".