743703040 has 40 divisors (see below), whose sum is σ = 1783150380. Its totient is φ = 297480192.

The previous prime is 743703031. The next prime is 743703041. The reversal of 743703040 is 40307347.

It can be written as a sum of positive squares in 2 ways, for example, as 737231104 + 6471936 = 27152^2 + 2544^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (743703041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142695 + ... + 147814.

Almost surely, 2^743703040 is an apocalyptic number.

It is an amenable number.

743703040 is an abundant number, since it is smaller than the sum of its proper divisors (1039447340).

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

743703040 is an equidigital number, since it uses as much as digits as its factorization.

743703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290532 (or 290516 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 743703040 is about 27270.9193097703. The cubic root of 743703040 is about 906.0104055320.

The spelling of 743703040 in words is "seven hundred forty-three million, seven hundred three thousand, forty".