743420812 has 24 divisors (see below), whose sum is σ = 1437410016. Its totient is φ = 334633728.

The previous prime is 743420803. The next prime is 743420819. The reversal of 743420812 is 218024347.

It is not an unprimeable number, because it can be changed into a prime (743420819) 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, 236103 + ... + 239230.

It is an arithmetic number, because the mean of its divisors is an integer number (59892084).

Almost surely, 2^743420812 is an apocalyptic number.

It is an amenable number.

743420812 is a deficient number, since it is larger than the sum of its proper divisors (693989204).

743420812 is a wasteful number, since it uses less digits than its factorization.

743420812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475377 (or 475375 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 743420812 is about 27265.7442957276. The cubic root of 743420812 is about 905.8957836810.

The spelling of 743420812 in words is "seven hundred forty-three million, four hundred twenty thousand, eight hundred twelve".