31964074 has 4 divisors (see below), whose sum is σ = 47946114. Its totient is φ = 15982036.

The previous prime is 31964039. The next prime is 31964077. The reversal of 31964074 is 47046913.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 31438449 + 525625 = 5607^2 + 725^2 .

It is not an unprimeable number, because it can be changed into a prime (31964077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7991017 + ... + 7991020.

Almost surely, 2^31964074 is an apocalyptic number.

31964074 is a deficient number, since it is larger than the sum of its proper divisors (15982040).

31964074 is a wasteful number, since it uses less digits than its factorization.

31964074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15982039.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 31964074 is about 5653.6779179575. The cubic root of 31964074 is about 317.3613555490.

The spelling of 31964074 in words is "thirty-one million, nine hundred sixty-four thousand, seventy-four".