674356407 has 16 divisors (see below), whose sum is σ = 925082880. Its totient is φ = 436784832.

The previous prime is 674356399. The next prime is 674356409. The reversal of 674356407 is 704653476.

It is a happy number.

It is not a de Polignac number, because 674356407 - 2³ = 674356399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674356409) 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, 8307 + ... + 37652.

It is an arithmetic number, because the mean of its divisors is an integer number (57817680).

Almost surely, 2^674356407 is an apocalyptic number.

674356407 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

674356407 is a deficient number, since it is larger than the sum of its proper divisors (250726473).

674356407 is a wasteful number, since it uses less digits than its factorization.

674356407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46102.

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 674356407 is about 25968.3732066527. The cubic root of 674356407 is about 876.9264361645.

The spelling of 674356407 in words is "six hundred seventy-four million, three hundred fifty-six thousand, four hundred seven".