31874573 has 16 divisors (see below), whose sum is σ = 34352640. Its totient is φ = 29506224.

The previous prime is 31874561. The next prime is 31874581. The reversal of 31874573 is 37547813.

It is a cyclic number.

It is not a de Polignac number, because 31874573 - 2¹² = 31870477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31874503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112490 + ... + 112772.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^31874573 is an apocalyptic number.

It is an amenable number.

31874573 is a deficient number, since it is larger than the sum of its proper divisors (2478067).

31874573 is a wasteful number, since it uses less digits than its factorization.

31874573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its digits is 70560, while the sum is 38.

The square root of 31874573 is about 5645.7570794358. The cubic root of 31874573 is about 317.0648694480.

The spelling of 31874573 in words is "thirty-one million, eight hundred seventy-four thousand, five hundred seventy-three".