743704720 has 60 divisors (see below), whose sum is σ = 1900620540. Its totient is φ = 270434560.

The previous prime is 743704697. The next prime is 743704721. The reversal of 743704720 is 27407347.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 572932096 + 170772624 = 23936^2 + 13068^2 .

It is not an unprimeable number, because it can be changed into a prime (743704721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28735 + ... + 48094.

It is an arithmetic number, because the mean of its divisors is an integer number (31677009).

Almost surely, 2^743704720 is an apocalyptic number.

It is an amenable number.

743704720 is an abundant number, since it is smaller than the sum of its proper divisors (1156915820).

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

743704720 is a wasteful number, since it uses less digits than its factorization.

743704720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76864 (or 76847 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 743704720 is about 27270.9501117948. The cubic root of 743704720 is about 906.0110877471.

The spelling of 743704720 in words is "seven hundred forty-three million, seven hundred four thousand, seven hundred twenty".