734809440 has 48 divisors (see below), whose sum is σ = 2314651248. Its totient is φ = 195949056.

The previous prime is 734809433. The next prime is 734809489. The reversal of 734809440 is 44908437.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×734809440² = 1079889826226227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764947 + ... + 765906.

It is an arithmetic number, because the mean of its divisors is an integer number (48221901).

Almost surely, 2^734809440 is an apocalyptic number.

It is an amenable number.

734809440 is an abundant number, since it is smaller than the sum of its proper divisors (1579841808).

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

734809440 is a wasteful number, since it uses less digits than its factorization.

734809440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530871 (or 1530863 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 734809440 is about 27107.3687398833. The cubic root of 734809440 is about 902.3843934351.

The spelling of 734809440 in words is "seven hundred thirty-four million, eight hundred nine thousand, four hundred forty".