674807430 has 128 divisors (see below), whose sum is σ = 1818464256. Its totient is φ = 158883200.

The previous prime is 674807429. The next prime is 674807431. The reversal of 674807430 is 34708476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (674807429) and next prime (674807431).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674807431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1944517 + ... + 1944863.

It is an arithmetic number, because the mean of its divisors is an integer number (14206752).

Almost surely, 2^674807430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674807430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909232128).

674807430 is an abundant number, since it is smaller than the sum of its proper divisors (1143656826).

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

674807430 is a wasteful number, since it uses less digits than its factorization.

674807430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 674807430 is about 25977.0558377966. The cubic root of 674807430 is about 877.1218945526.

The spelling of 674807430 in words is "six hundred seventy-four million, eight hundred seven thousand, four hundred thirty".