742744667 has 4 divisors (see below), whose sum is σ = 848851056. Its totient is φ = 636638280.

The previous prime is 742744663. The next prime is 742744669. The reversal of 742744667 is 766447247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766447247 = 113 ⋅6782719.

It is a cyclic number.

It is not a de Polignac number, because 742744667 - 2² = 742744663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742744661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53053184 + ... + 53053197.

It is an arithmetic number, because the mean of its divisors is an integer number (212212764).

Almost surely, 2^742744667 is an apocalyptic number.

742744667 is a deficient number, since it is larger than the sum of its proper divisors (106106389).

742744667 is a wasteful number, since it uses less digits than its factorization.

742744667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106388.

The product of its digits is 1580544, while the sum is 47.

The square root of 742744667 is about 27253.3423087885. The cubic root of 742744667 is about 905.6210614401.

The spelling of 742744667 in words is "seven hundred forty-two million, seven hundred forty-four thousand, six hundred sixty-seven".