27400497 has 8 divisors (see below), whose sum is σ = 37712640. Its totient is φ = 17677680.

The previous prime is 27400469. The next prime is 27400507. The reversal of 27400497 is 79400472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27400497 - 2¹⁰ = 27399473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27400427) 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, 147222 + ... + 147407.

It is an arithmetic number, because the mean of its divisors is an integer number (4714080).

Almost surely, 2^27400497 is an apocalyptic number.

It is an amenable number.

27400497 is a deficient number, since it is larger than the sum of its proper divisors (10312143).

27400497 is a wasteful number, since it uses less digits than its factorization.

27400497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294663.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 27400497 is about 5234.5484045904. The cubic root of 27400497 is about 301.4760479200.

The spelling of 27400497 in words is "twenty-seven million, four hundred thousand, four hundred ninety-seven".