7845158474 has 32 divisors (see below), whose sum is σ = 12441658320. Its totient is φ = 3704343552.

The previous prime is 7845158473. The next prime is 7845158483. The reversal of 7845158474 is 4748515487.

It can be written as a sum of positive squares in 8 ways, for example, as 6605625625 + 1239532849 = 81275^2 + 35207^2 .

It is a super-2 number, since 2×7845158474² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (7845158473) 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 15 ways as a sum of consecutive naturals, for example, 1032152 + ... + 1039724.

Almost surely, 2^7845158474 is an apocalyptic number.

7845158474 is a deficient number, since it is larger than the sum of its proper divisors (4596499846).

7845158474 is a wasteful number, since it uses less digits than its factorization.

7845158474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994.

The product of its digits is 5017600, while the sum is 53.

The square root of 7845158474 is about 88572.8992073761. The cubic root of 7845158474 is about 1987.0123829625.

The spelling of 7845158474 in words is "seven billion, eight hundred forty-five million, one hundred fifty-eight thousand, four hundred seventy-four".