674587590 has 64 divisors (see below), whose sum is σ = 1759242240. Its totient is φ = 164920320.

The previous prime is 674587583. The next prime is 674587597. The reversal of 674587590 is 95785476.

It is an interprime number because it is at equal distance from previous prime (674587583) and next prime (674587597).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674587597) 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, 1419 + ... + 36758.

It is an arithmetic number, because the mean of its divisors is an integer number (27488160).

Almost surely, 2^674587590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674587590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879621120).

674587590 is an abundant number, since it is smaller than the sum of its proper divisors (1084654650).

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

674587590 is a wasteful number, since it uses less digits than its factorization.

674587590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38237.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 674587590 is about 25972.8240667048. The cubic root of 674587590 is about 877.0266340816.

The spelling of 674587590 in words is "six hundred seventy-four million, five hundred eighty-seven thousand, five hundred ninety".