7425574747 has 4 divisors (see below), whose sum is σ = 7428749056. Its totient is φ = 7422400440.

The previous prime is 7425574727. The next prime is 7425574757. The reversal of 7425574747 is 7474755247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7474755247 = 31 ⋅241121137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7425574747 is a prime.

It is a super-2 number, since 2×7425574747² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7425574694 and 7425574703.

It is not an unprimeable number, because it can be changed into a prime (7425574727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583643 + ... + 1588324.

It is an arithmetic number, because the mean of its divisors is an integer number (1857187264).

Almost surely, 2^7425574747 is an apocalyptic number.

7425574747 is a deficient number, since it is larger than the sum of its proper divisors (3174309).

7425574747 is a wasteful number, since it uses less digits than its factorization.

7425574747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174308.

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

The square root of 7425574747 is about 86171.7746538854. The cubic root of 7425574747 is about 1950.9375064216.

The spelling of 7425574747 in words is "seven billion, four hundred twenty-five million, five hundred seventy-four thousand, seven hundred forty-seven".