7664492742 has 32 divisors (see below), whose sum is σ = 15799774464. Its totient is φ = 2477546400.

The previous prime is 7664492741. The next prime is 7664492743. The reversal of 7664492742 is 2472944667.

It is an interprime number because it is at equal distance from previous prime (7664492741) and next prime (7664492743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664492741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121488 + ... + 173459.

It is an arithmetic number, because the mean of its divisors is an integer number (493742952).

Almost surely, 2^7664492742 is an apocalyptic number.

7664492742 is an abundant number, since it is smaller than the sum of its proper divisors (8135281722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664492742 is a wasteful number, since it uses less digits than its factorization.

7664492742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295084.

The product of its digits is 4064256, while the sum is 51.

The square root of 7664492742 is about 87547.0887123038. The cubic root of 7664492742 is about 1971.6408415341.

The spelling of 7664492742 in words is "seven billion, six hundred sixty-four million, four hundred ninety-two thousand, seven hundred forty-two".