27472690 has 16 divisors (see below), whose sum is σ = 56515392. Its totient is φ = 9419184.

The previous prime is 27472681. The next prime is 27472691. The reversal of 27472690 is 9627472.

It is a happy number.

It is a super-2 number, since 2×27472690² = 1509497391672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27472691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196164 + ... + 196303.

It is an arithmetic number, because the mean of its divisors is an integer number (3532212).

Almost surely, 2^27472690 is an apocalyptic number.

27472690 is an abundant number, since it is smaller than the sum of its proper divisors (29042702).

27472690 is a wasteful number, since it uses less digits than its factorization.

27472690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392481.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 27472690 is about 5241.4396877194. The cubic root of 27472690 is about 301.7405853812.

The spelling of 27472690 in words is "twenty-seven million, four hundred seventy-two thousand, six hundred ninety".