7220472679 has 16 divisors (see below), whose sum is σ = 8740009728. Its totient is φ = 5823165312.

The previous prime is 7220472659. The next prime is 7220472689. The reversal of 7220472679 is 9762740227.

It is not a de Polignac number, because 7220472679 - 2⁷ = 7220472551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220472629) 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, 512244 + ... + 526150.

It is an arithmetic number, because the mean of its divisors is an integer number (546250608).

Almost surely, 2^7220472679 is an apocalyptic number.

7220472679 is a deficient number, since it is larger than the sum of its proper divisors (1519537049).

7220472679 is a wasteful number, since it uses less digits than its factorization.

7220472679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 7220472679 is about 84973.3645267739. The cubic root of 7220472679 is about 1932.8072367339.

The spelling of 7220472679 in words is "seven billion, two hundred twenty million, four hundred seventy-two thousand, six hundred seventy-nine".