742186444 has 12 divisors (see below), whose sum is σ = 1343613600. Its totient is φ = 358296848.

The previous prime is 742186427. The next prime is 742186453. The reversal of 742186444 is 444681247.

It is a junction number, because it is equal to n+sod(n) for n = 742186397 and 742186406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3198964 + ... + 3199195.

It is an arithmetic number, because the mean of its divisors is an integer number (111967800).

Almost surely, 2^742186444 is an apocalyptic number.

It is an amenable number.

742186444 is a deficient number, since it is larger than the sum of its proper divisors (601427156).

742186444 is a wasteful number, since it uses less digits than its factorization.

742186444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398192 (or 6398190 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 742186444 is about 27243.0990160811. The cubic root of 742186444 is about 905.3941260252.

The spelling of 742186444 in words is "seven hundred forty-two million, one hundred eighty-six thousand, four hundred forty-four".