744455742 has 16 divisors (see below), whose sum is σ = 1492174992. Its totient is φ = 247608000.

The previous prime is 744455729. The next prime is 744455759. The reversal of 744455742 is 247554447.

It is a junction number, because it is equal to n+sod(n) for n = 744455694 and 744455703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133009 + ... + 138492.

It is an arithmetic number, because the mean of its divisors is an integer number (93260937).

Almost surely, 2^744455742 is an apocalyptic number.

744455742 is an abundant number, since it is smaller than the sum of its proper divisors (747719250).

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

744455742 is a wasteful number, since it uses less digits than its factorization.

744455742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271963.

The product of its digits is 627200, while the sum is 42.

The square root of 744455742 is about 27284.7162712021. The cubic root of 744455742 is about 906.3159602438.

The spelling of 744455742 in words is "seven hundred forty-four million, four hundred fifty-five thousand, seven hundred forty-two".