674476650 has 144 divisors (see below), whose sum is σ = 1876754880. Its totient is φ = 173548800.

The previous prime is 674476591. The next prime is 674476667. The reversal of 674476650 is 56674476.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 674476596 and 674476605.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2564419 + ... + 2564681.

It is an arithmetic number, because the mean of its divisors is an integer number (13033020).

Almost surely, 2^674476650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674476650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938377440).

674476650 is an abundant number, since it is smaller than the sum of its proper divisors (1202278230).

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

674476650 is a wasteful number, since it uses less digits than its factorization.

674476650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 674476650 is about 25970.6882850648. The cubic root of 674476650 is about 876.9785540050.

The spelling of 674476650 in words is "six hundred seventy-four million, four hundred seventy-six thousand, six hundred fifty".