691400674 has 16 divisors (see below), whose sum is σ = 1051739136. Its totient is φ = 340848000.

The previous prime is 691400669. The next prime is 691400701. The reversal of 691400674 is 476004196.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45999 + ... + 59149.

It is an arithmetic number, because the mean of its divisors is an integer number (65733696).

Almost surely, 2^691400674 is an apocalyptic number.

691400674 is a deficient number, since it is larger than the sum of its proper divisors (360338462).

691400674 is a wasteful number, since it uses less digits than its factorization.

691400674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 691400674 is about 26294.4989303847. The cubic root of 691400674 is about 884.2531172898.

The spelling of 691400674 in words is "six hundred ninety-one million, four hundred thousand, six hundred seventy-four".