31672674 has 64 divisors (see below), whose sum is σ = 77967360. Its totient is φ = 9450000.

The previous prime is 31672673. The next prime is 31672681. The reversal of 31672674 is 47627613.

It is not an unprimeable number, because it can be changed into a prime (31672673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41799 + ... + 42549.

It is an arithmetic number, because the mean of its divisors is an integer number (1218240).

Almost surely, 2^31672674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31672674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38983680).

31672674 is an abundant number, since it is smaller than the sum of its proper divisors (46294686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31672674 is a wasteful number, since it uses less digits than its factorization.

31672674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 31672674 is about 5627.8480789730. The cubic root of 31672674 is about 316.3940032736.

The spelling of 31672674 in words is "thirty-one million, six hundred seventy-two thousand, six hundred seventy-four".