7474725745 has 16 divisors (see below), whose sum is σ = 9034819200. Its totient is φ = 5936400000.

The previous prime is 7474725721. The next prime is 7474725749. The reversal of 7474725745 is 5475274747.

It is a de Polignac number, because none of the positive numbers 2^k-7474725745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7474725692 and 7474725701.

It is not an unprimeable number, because it can be changed into a prime (7474725749) 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, 2264106 + ... + 2267404.

It is an arithmetic number, because the mean of its divisors is an integer number (564676200).

Almost surely, 2^7474725745 is an apocalyptic number.

It is an amenable number.

7474725745 is a deficient number, since it is larger than the sum of its proper divisors (1560093455).

7474725745 is a wasteful number, since it uses less digits than its factorization.

7474725745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its digits is 7683200, while the sum is 52.

The square root of 7474725745 is about 86456.4962567880. The cubic root of 7474725745 is about 1955.2325602077.

The spelling of 7474725745 in words is "seven billion, four hundred seventy-four million, seven hundred twenty-five thousand, seven hundred forty-five".