743745312 has 54 divisors (see below), whose sum is σ = 2116342683. Its totient is φ = 247760832.

The previous prime is 743745307. The next prime is 743745341. The reversal of 743745312 is 213547347.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 371872656 + 371872656 = 19284^2 + 19284^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19284.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 462013 + ... + 463619.

Almost surely, 2^743745312 is an apocalyptic number.

743745312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

743745312 is an abundant number, since it is smaller than the sum of its proper divisors (1372597371).

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

743745312 is an equidigital number, since it uses as much as digits as its factorization.

743745312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 1612 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 743745312 is about 27271.6943368028. The cubic root of 743745312 is about 906.0275710511.

The spelling of 743745312 in words is "seven hundred forty-three million, seven hundred forty-five thousand, three hundred twelve".