743212938 has 32 divisors (see below), whose sum is σ = 1670368896. Its totient is φ = 218737728.

The previous prime is 743212937. The next prime is 743212979. The reversal of 743212938 is 839212347.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 743212896 and 743212905.

It is not an unprimeable number, because it can be changed into a prime (743212937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205345 + ... + 208932.

It is an arithmetic number, because the mean of its divisors is an integer number (52199028).

Almost surely, 2^743212938 is an apocalyptic number.

743212938 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

743212938 is an abundant number, since it is smaller than the sum of its proper divisors (927155958).

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

743212938 is a wasteful number, since it uses less digits than its factorization.

743212938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414318.

The product of its digits is 72576, while the sum is 39.

The square root of 743212938 is about 27261.9320298470. The cubic root of 743212938 is about 905.8113408228.

The spelling of 743212938 in words is "seven hundred forty-three million, two hundred twelve thousand, nine hundred thirty-eight".