742775246 has 8 divisors (see below), whose sum is σ = 1172803080. Its totient is φ = 351840888.

The previous prime is 742775239. The next prime is 742775287. The reversal of 742775246 is 642577247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 742775197 and 742775206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9773321 + ... + 9773396.

It is an arithmetic number, because the mean of its divisors is an integer number (146600385).

Almost surely, 2^742775246 is an apocalyptic number.

742775246 is a deficient number, since it is larger than the sum of its proper divisors (430027834).

742775246 is a wasteful number, since it uses less digits than its factorization.

742775246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19546738.

The product of its digits is 658560, while the sum is 44.

The square root of 742775246 is about 27253.9033167728. The cubic root of 742775246 is about 905.6334894914.

The spelling of 742775246 in words is "seven hundred forty-two million, seven hundred seventy-five thousand, two hundred forty-six".