746831939 has 12 divisors (see below), whose sum is σ = 877225104. Its totient is φ = 622832544.

The previous prime is 746831923. The next prime is 746831941. The reversal of 746831939 is 939138647.

It is not a de Polignac number, because 746831939 - 2⁴ = 746831923 is a prime.

It is a super-2 number, since 2×746831939² = 1115515890220999442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (746831959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29384 + ... + 48549.

It is an arithmetic number, because the mean of its divisors is an integer number (73102092).

Almost surely, 2^746831939 is an apocalyptic number.

746831939 is a deficient number, since it is larger than the sum of its proper divisors (130393165).

746831939 is an equidigital number, since it uses as much as digits as its factorization.

746831939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78014 (or 77977 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 746831939 is about 27328.2260492700. The cubic root of 746831939 is about 907.2792133902.

The spelling of 746831939 in words is "seven hundred forty-six million, eight hundred thirty-one thousand, nine hundred thirty-nine".