7120055770 has 64 divisors (see below), whose sum is σ = 13726941696. Its totient is φ = 2649671680.

The previous prime is 7120055699. The next prime is 7120055771. The reversal of 7120055770 is 775500217.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (7120055771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7242699 + ... + 7243681.

It is an arithmetic number, because the mean of its divisors is an integer number (214483464).

Almost surely, 2^7120055770 is an apocalyptic number.

7120055770 is a deficient number, since it is larger than the sum of its proper divisors (6606885926).

7120055770 is a wasteful number, since it uses less digits than its factorization.

7120055770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 7120055770 is about 84380.4229072123. The cubic root of 7120055770 is about 1923.8053661585.

Adding to 7120055770 its reverse (775500217), we get a palindrome (7895555987).

The spelling of 7120055770 in words is "seven billion, one hundred twenty million, fifty-five thousand, seven hundred seventy".