7480779573 has 4 divisors (see below), whose sum is σ = 9974372768. Its totient is φ = 4987186380.

The previous prime is 7480779521. The next prime is 7480779589. The reversal of 7480779573 is 3759770847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7480779573 - 2¹⁴ = 7480763189 is a prime.

It is the 86492-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7480772573) by changing a digit.

It is a nontrivial repunit in base 86491.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246796593 + ... + 1246796598.

It is an arithmetic number, because the mean of its divisors is an integer number (2493593192).

Almost surely, 2^7480779573 is an apocalyptic number.

It is an amenable number.

7480779573 is a deficient number, since it is larger than the sum of its proper divisors (2493593195).

7480779573 is a wasteful number, since it uses less digits than its factorization.

7480779573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493593194.

The product of its (nonzero) digits is 10372320, while the sum is 57.

The square root of 7480779573 is about 86491.5000043357. The cubic root of 7480779573 is about 1955.7602695372.

The spelling of 7480779573 in words is "seven billion, four hundred eighty million, seven hundred seventy-nine thousand, five hundred seventy-three".