674091693 has 32 divisors (see below), whose sum is σ = 1114798080. Its totient is φ = 399031920.

The previous prime is 674091661. The next prime is 674091707. The reversal of 674091693 is 396190476.

674091693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674091693 - 2⁵ = 674091661 is a prime.

It is a super-2 number, since 2×674091693² = 908799221143212498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674091793) 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, 13621 + ... + 39162.

It is an arithmetic number, because the mean of its divisors is an integer number (34837440).

Almost surely, 2^674091693 is an apocalyptic number.

It is an amenable number.

674091693 is a deficient number, since it is larger than the sum of its proper divisors (440706387).

674091693 is a wasteful number, since it uses less digits than its factorization.

674091693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52846 (or 52840 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 674091693 is about 25963.2758526346. The cubic root of 674091693 is about 876.8116773203.

The spelling of 674091693 in words is "six hundred seventy-four million, ninety-one thousand, six hundred ninety-three".