7279516745 has 8 divisors (see below), whose sum is σ = 8921280384. Its totient is φ = 5699706544.

The previous prime is 7279516729. The next prime is 7279516771. The reversal of 7279516745 is 5476159727.

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

It is not a de Polignac number, because 7279516745 - 2⁴ = 7279516729 is a prime.

It is a Duffinian 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, 15488099 + ... + 15488568.

It is an arithmetic number, because the mean of its divisors is an integer number (1115160048).

Almost surely, 2^7279516745 is an apocalyptic number.

It is an amenable number.

7279516745 is a deficient number, since it is larger than the sum of its proper divisors (1641763639).

7279516745 is a wasteful number, since it uses less digits than its factorization.

7279516745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30976719.

The product of its digits is 3704400, while the sum is 53.

The square root of 7279516745 is about 85320.0840658283. The cubic root of 7279516745 is about 1938.0613311886.

The spelling of 7279516745 in words is "seven billion, two hundred seventy-nine million, five hundred sixteen thousand, seven hundred forty-five".