7643342765 has 8 divisors (see below), whose sum is σ = 9301195008. Its totient is φ = 6028551760.

The previous prime is 7643342731. The next prime is 7643342771. The reversal of 7643342765 is 5672433467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7643342765 - 2⁶ = 7643342701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10764917 + ... + 10765626.

It is an arithmetic number, because the mean of its divisors is an integer number (1162649376).

Almost surely, 2^7643342765 is an apocalyptic number.

It is an amenable number.

7643342765 is a deficient number, since it is larger than the sum of its proper divisors (1657852243).

7643342765 is a wasteful number, since it uses less digits than its factorization.

7643342765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21530619.

The product of its digits is 2540160, while the sum is 47.

The square root of 7643342765 is about 87426.2132600972. The cubic root of 7643342765 is about 1969.8256061964.

The spelling of 7643342765 in words is "seven billion, six hundred forty-three million, three hundred forty-two thousand, seven hundred sixty-five".