7664441742 has 48 divisors (see below), whose sum is σ = 16727998560. Its totient is φ = 2536142400.

The previous prime is 7664441717. The next prime is 7664441753. The reversal of 7664441742 is 2471444667.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2151759 + ... + 2155317.

It is an arithmetic number, because the mean of its divisors is an integer number (348499970).

Almost surely, 2^7664441742 is an apocalyptic number.

7664441742 is an abundant number, since it is smaller than the sum of its proper divisors (9063556818).

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

7664441742 is a wasteful number, since it uses less digits than its factorization.

7664441742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4406 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 7664441742 is about 87546.7974399978. The cubic root of 7664441742 is about 1971.6364683851.

The spelling of 7664441742 in words is "seven billion, six hundred sixty-four million, four hundred forty-one thousand, seven hundred forty-two".