7949042770 has 16 divisors (see below), whose sum is σ = 14412719448. Its totient is φ = 3156407680.

The previous prime is 7949042747. The next prime is 7949042791. The reversal of 7949042770 is 772409497.

It can be written as a sum of positive squares in 4 ways, for example, as 7327188801 + 621853969 = 85599^2 + 24937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899741 + ... + 2902480.

Almost surely, 2^7949042770 is an apocalyptic number.

7949042770 is a deficient number, since it is larger than the sum of its proper divisors (6463676678).

7949042770 is a wasteful number, since it uses less digits than its factorization.

7949042770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802365.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 7949042770 is about 89157.4044597531. The cubic root of 7949042770 is about 1995.7445160166.

The spelling of 7949042770 in words is "seven billion, nine hundred forty-nine million, forty-two thousand, seven hundred seventy".