7115274690 has 128 divisors (see below), whose sum is σ = 18726266880. Its totient is φ = 1722470400.

The previous prime is 7115274689. The next prime is 7115274703. The reversal of 7115274690 is 964725117.

It is a happy number.

It is a super-2 number, since 2×7115274690² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6655476 + ... + 6656544.

It is an arithmetic number, because the mean of its divisors is an integer number (146298960).

Almost surely, 2^7115274690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7115274690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9363133440).

7115274690 is an abundant number, since it is smaller than the sum of its proper divisors (11610992190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7115274690 is a wasteful number, since it uses less digits than its factorization.

7115274690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 7115274690 is about 84352.0876445865. The cubic root of 7115274690 is about 1923.3746613439.

The spelling of 7115274690 in words is "seven billion, one hundred fifteen million, two hundred seventy-four thousand, six hundred ninety".