747994 has 12 divisors (see below), whose sum is σ = 1215486. Its totient is φ = 345072.

The previous prime is 747991. The next prime is 748003. The reversal of 747994 is 499747.

It can be written as a sum of positive squares in 3 ways, for example, as 616225 + 131769 = 785^2 + 363^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (747991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769 + ... + 1444.

2⁷⁴⁷⁹⁹⁴ is an apocalyptic number.

747994 is a deficient number, since it is larger than the sum of its proper divisors (467492).

747994 is a wasteful number, since it uses less digits than its factorization.

747994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2228 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 747994 is about 864.8664636810. The cubic root of 747994 is about 90.7749541173.

The spelling of 747994 in words is "seven hundred forty-seven thousand, nine hundred ninety-four".