742883666 has 32 divisors (see below), whose sum is σ = 1289105280. Its totient is φ = 314499456.

The previous prime is 742883657. The next prime is 742883677. The reversal of 742883666 is 666388247.

It is a super-2 number, since 2×742883666² = 1103752282419199112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917870 + ... + 918678.

It is an arithmetic number, because the mean of its divisors is an integer number (40284540).

Almost surely, 2^742883666 is an apocalyptic number.

742883666 is a deficient number, since it is larger than the sum of its proper divisors (546221614).

742883666 is a wasteful number, since it uses less digits than its factorization.

742883666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

The product of its digits is 2322432, while the sum is 50.

The square root of 742883666 is about 27255.8923170752. The cubic root of 742883666 is about 905.6775512747.

The spelling of 742883666 in words is "seven hundred forty-two million, eight hundred eighty-three thousand, six hundred sixty-six".