7007870745 has 12 divisors (see below), whose sum is σ = 12146976036. Its totient is φ = 3737531040.

The previous prime is 7007870711. The next prime is 7007870761. The reversal of 7007870745 is 5470787007.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1255710096 + 5752160649 = 35436^2 + 75843^2 .

It is not a de Polignac number, because 7007870745 - 2¹⁴ = 7007854361 is a prime.

It is a super-2 number, since 2×7007870745² = 98220504757253710050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 155730461 = 7007870745 / (7 + 0 + 0 + 7 + 8 + 7 + 0 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 7007870745.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77865186 + ... + 77865275.

It is an arithmetic number, because the mean of its divisors is an integer number (1012248003).

Almost surely, 2^7007870745 is an apocalyptic number.

It is an amenable number.

7007870745 is a deficient number, since it is larger than the sum of its proper divisors (5139105291).

7007870745 is a wasteful number, since it uses less digits than its factorization.

7007870745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155730472 (or 155730469 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 45.

The square root of 7007870745 is about 83713.0261369161. The cubic root of 7007870745 is about 1913.6478758220.

The spelling of 7007870745 in words is "seven billion, seven million, eight hundred seventy thousand, seven hundred forty-five".