733456789 has 24 divisors (see below), whose sum is σ = 855385920. Its totient is φ = 626266368.

The previous prime is 733456733. The next prime is 733456793. The reversal of 733456789 is 987654337.

It is a happy number.

It is not a de Polignac number, because 733456789 - 2⁹ = 733456277 is a prime.

It is a super-2 number, since 2×733456789² = 1075917722660381042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733456799) 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, 167344 + ... + 171670.

It is an arithmetic number, because the mean of its divisors is an integer number (35641080).

Almost surely, 2^733456789 is an apocalyptic number.

It is an amenable number.

733456789 is a deficient number, since it is larger than the sum of its proper divisors (121929131).

733456789 is a wasteful number, since it uses less digits than its factorization.

733456789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4416 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The square root of 733456789 is about 27082.4073708376. The cubic root of 733456789 is about 901.8303446223.

The spelling of 733456789 in words is "seven hundred thirty-three million, four hundred fifty-six thousand, seven hundred eighty-nine".