743790442 has 16 divisors (see below), whose sum is σ = 1123365672. Its totient is φ = 369342400.

The previous prime is 743790427. The next prime is 743790449. The reversal of 743790442 is 244097347.

It can be written as a sum of positive squares in 4 ways, for example, as 738263241 + 5527201 = 27171^2 + 2351^2 .

It is a super-2 number, since 2×743790442² = 1106448443221110728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 743790395 and 743790404.

It is not an unprimeable number, because it can be changed into a prime (743790449) 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, 274848 + ... + 277540.

Almost surely, 2^743790442 is an apocalyptic number.

743790442 is a deficient number, since it is larger than the sum of its proper divisors (379575230).

743790442 is a wasteful number, since it uses less digits than its factorization.

743790442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 743790442 is about 27272.5217389225. The cubic root of 743790442 is about 906.0458964091.

It can be divided in two parts, 7437 and 90442, that added together give a palindrome (97879).

The spelling of 743790442 in words is "seven hundred forty-three million, seven hundred ninety thousand, four hundred forty-two".