746639684 has 72 divisors (see below), whose sum is σ = 1586262720. Its totient is φ = 300867840.

The previous prime is 746639683. The next prime is 746639717. The reversal of 746639684 is 486936647.

It is not an unprimeable number, because it can be changed into a prime (746639683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1364699 + ... + 1365245.

Almost surely, 2^746639684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 746639684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793131360).

746639684 is an abundant number, since it is smaller than the sum of its proper divisors (839623036).

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

746639684 is a wasteful number, since it uses less digits than its factorization.

746639684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 626 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The square root of 746639684 is about 27324.7083058539. The cubic root of 746639684 is about 907.2013538675.

The spelling of 746639684 in words is "seven hundred forty-six million, six hundred thirty-nine thousand, six hundred eighty-four".