743717042 has 16 divisors (see below), whose sum is σ = 1132196352. Its totient is φ = 366353280.

The previous prime is 743717033. The next prime is 743717053. The reversal of 743717042 is 240717347.

It is a happy number.

It is a super-2 number, since 2×743717042² = 1106230077122459528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 743716993 and 743717011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34667 + ... + 51857.

It is an arithmetic number, because the mean of its divisors is an integer number (70762272).

Almost surely, 2^743717042 is an apocalyptic number.

743717042 is a deficient number, since it is larger than the sum of its proper divisors (388479310).

743717042 is a wasteful number, since it uses less digits than its factorization.

743717042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 743717042 is about 27271.1760289138. The cubic root of 743717042 is about 906.0160914386.

The spelling of 743717042 in words is "seven hundred forty-three million, seven hundred seventeen thousand, forty-two".