31674497 has 4 divisors (see below), whose sum is σ = 32075520. Its totient is φ = 31273476.

The previous prime is 31674491. The next prime is 31674499. The reversal of 31674497 is 79447613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31674497 - 2⁸ = 31674241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31674491) 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, 200393 + ... + 200550.

It is an arithmetic number, because the mean of its divisors is an integer number (8018880).

Almost surely, 2^31674497 is an apocalyptic number.

It is an amenable number.

31674497 is a deficient number, since it is larger than the sum of its proper divisors (401023).

31674497 is an equidigital number, since it uses as much as digits as its factorization.

31674497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401022.

The product of its digits is 127008, while the sum is 41.

The square root of 31674497 is about 5628.0100390813. The cubic root of 31674497 is about 316.4000734400.

The spelling of 31674497 in words is "thirty-one million, six hundred seventy-four thousand, four hundred ninety-seven".