743688042 has 8 divisors (see below), whose sum is σ = 1487376096. Its totient is φ = 247896012.

The previous prime is 743688037. The next prime is 743688061. The reversal of 743688042 is 240886347.

It is a sphenic number, since it is the product of 3 distinct primes.

743688042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 743687985 and 743688003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61973998 + ... + 61974009.

It is an arithmetic number, because the mean of its divisors is an integer number (185922012).

Almost surely, 2^743688042 is an apocalyptic number.

743688042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

743688042 is a wasteful number, since it uses less digits than its factorization.

743688042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123948012.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 743688042 is about 27270.6443268215. The cubic root of 743688042 is about 906.0043150923.

The spelling of 743688042 in words is "seven hundred forty-three million, six hundred eighty-eight thousand, forty-two".