7720014765 has 8 divisors (see below), whose sum is σ = 12352023648. Its totient is φ = 4117341200.

The previous prime is 7720014749. The next prime is 7720014769. The reversal of 7720014765 is 5674100277.

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

It is not a de Polignac number, because 7720014765 - 2⁴ = 7720014749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7720014769) 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, 257333811 + ... + 257333840.

It is an arithmetic number, because the mean of its divisors is an integer number (1544002956).

Almost surely, 2^7720014765 is an apocalyptic number.

It is an amenable number.

7720014765 is a deficient number, since it is larger than the sum of its proper divisors (4632008883).

7720014765 is a wasteful number, since it uses less digits than its factorization.

7720014765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514667659.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 7720014765 is about 87863.6145682614. The cubic root of 7720014765 is about 1976.3902844573.

The spelling of 7720014765 in words is "seven billion, seven hundred twenty million, fourteen thousand, seven hundred sixty-five".