743858742 has 32 divisors (see below), whose sum is σ = 1624178304. Its totient is φ = 225243200.

The previous prime is 743858719. The next prime is 743858803. The reversal of 743858742 is 247858347.

It is a junction number, because it is equal to n+sod(n) for n = 743858691 and 743858700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106642 + ... + 113402.

It is an arithmetic number, because the mean of its divisors is an integer number (50755572).

Almost surely, 2^743858742 is an apocalyptic number.

743858742 is an abundant number, since it is smaller than the sum of its proper divisors (880319562).

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

743858742 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (743858741) it forms an eRAP, since the sums of their prime factors are consecutive (8443 and 8444).

743858742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444.

The product of its digits is 1505280, while the sum is 48.

The square root of 743858742 is about 27273.7738862813. The cubic root of 743858742 is about 906.0736287008.

The spelling of 743858742 in words is "seven hundred forty-three million, eight hundred fifty-eight thousand, seven hundred forty-two".