742864766 has 16 divisors (see below), whose sum is σ = 1275156960. Its totient is φ = 317952000.

The previous prime is 742864763. The next prime is 742864769. The reversal of 742864766 is 667468247.

It is an interprime number because it is at equal distance from previous prime (742864763) and next prime (742864769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742864763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23735 + ... + 45266.

It is an arithmetic number, because the mean of its divisors is an integer number (79697310).

Almost surely, 2^742864766 is an apocalyptic number.

742864766 is a deficient number, since it is larger than the sum of its proper divisors (532292194).

742864766 is a wasteful number, since it uses less digits than its factorization.

742864766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69779.

The product of its digits is 2709504, while the sum is 50.

The square root of 742864766 is about 27255.5456008497. The cubic root of 742864766 is about 905.6698706415.

The spelling of 742864766 in words is "seven hundred forty-two million, eight hundred sixty-four thousand, seven hundred sixty-six".