674786502 has 48 divisors (see below), whose sum is σ = 1586593008. Its totient is φ = 206032320.

The previous prime is 674786459. The next prime is 674786507. The reversal of 674786502 is 205687476.

674786502 is a `hidden beast` number, since 6 + 74 + 78 + 6 + 502 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674786507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19648 + ... + 41660.

It is an arithmetic number, because the mean of its divisors is an integer number (33054021).

Almost surely, 2^674786502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674786502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793296504).

674786502 is an abundant number, since it is smaller than the sum of its proper divisors (911806506).

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

674786502 is a wasteful number, since it uses less digits than its factorization.

674786502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22165 (or 22162 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 674786502 is about 25976.6530176618. The cubic root of 674786502 is about 877.1128269797.

The spelling of 674786502 in words is "six hundred seventy-four million, seven hundred eighty-six thousand, five hundred two".