27492001 has 4 divisors (see below), whose sum is σ = 28010772. Its totient is φ = 26973232.

The previous prime is 27491987. The next prime is 27492013. The reversal of 27492001 is 10029472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16443025 + 11048976 = 4055^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 27492001 - 2⁹ = 27491489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27492401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259306 + ... + 259411.

It is an arithmetic number, because the mean of its divisors is an integer number (7002693).

Almost surely, 2^27492001 is an apocalyptic number.

It is an amenable number.

27492001 is a deficient number, since it is larger than the sum of its proper divisors (518771).

27492001 is an equidigital number, since it uses as much as digits as its factorization.

27492001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518770.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 27492001 is about 5243.2815106572. The cubic root of 27492001 is about 301.8112682752.

The spelling of 27492001 in words is "twenty-seven million, four hundred ninety-two thousand, one".