7474725757 has 8 divisors (see below), whose sum is σ = 7625609216. Its totient is φ = 7324998912.

The previous prime is 7474725749. The next prime is 7474725763. The reversal of 7474725757 is 7575274747.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7474725757 - 2³ = 7474725749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7474725698 and 7474725707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474725157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276093 + ... + 301954.

It is an arithmetic number, because the mean of its divisors is an integer number (953201152).

Almost surely, 2^7474725757 is an apocalyptic number.

It is an amenable number.

7474725757 is a deficient number, since it is larger than the sum of its proper divisors (150883459).

7474725757 is a wasteful number, since it uses less digits than its factorization.

7474725757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578307.

The product of its digits is 13445600, while the sum is 55.

The square root of 7474725757 is about 86456.4963261871. The cubic root of 7474725757 is about 1955.2325612540.

The spelling of 7474725757 in words is "seven billion, four hundred seventy-four million, seven hundred twenty-five thousand, seven hundred fifty-seven".