7309404052 has 12 divisors (see below), whose sum is σ = 13032805716. Its totient is φ = 3585745280.

The previous prime is 7309404049. The next prime is 7309404073. The reversal of 7309404052 is 2504049037.

It can be written as a sum of positive squares in 2 ways, for example, as 6283098756 + 1026305296 = 79266^2 + 32036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7309403999 and 7309404017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17238949 + ... + 17239372.

It is an arithmetic number, because the mean of its divisors is an integer number (1086067143).

Almost surely, 2^7309404052 is an apocalyptic number.

It is an amenable number.

7309404052 is a deficient number, since it is larger than the sum of its proper divisors (5723401664).

7309404052 is a wasteful number, since it uses less digits than its factorization.

7309404052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34478378 (or 34478376 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 7309404052 is about 85495.0527925447. The cubic root of 7309404052 is about 1940.7100575074.

The spelling of 7309404052 in words is "seven billion, three hundred nine million, four hundred four thousand, fifty-two".