743370340 has 24 divisors (see below), whose sum is σ = 1614909240. Its totient is φ = 287094528.

The previous prime is 743370319. The next prime is 743370347. The reversal of 743370340 is 43073347.

It can be written as a sum of positive squares in 4 ways, for example, as 589824 + 742780516 = 768^2 + 27254^2 .

It is not an unprimeable number, because it can be changed into a prime (743370347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640257 + ... + 641416.

It is an arithmetic number, because the mean of its divisors is an integer number (67287885).

Almost surely, 2^743370340 is an apocalyptic number.

It is an amenable number.

743370340 is an abundant number, since it is smaller than the sum of its proper divisors (871538900).

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

743370340 is a wasteful number, since it uses less digits than its factorization.

743370340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281711 (or 1281709 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 743370340 is about 27264.8187230357. The cubic root of 743370340 is about 905.8752823239.

The spelling of 743370340 in words is "seven hundred forty-three million, three hundred seventy thousand, three hundred forty".