7651730226 has 64 divisors (see below), whose sum is σ = 18550425600. Its totient is φ = 2054058240.

The previous prime is 7651730213. The next prime is 7651730227. The reversal of 7651730226 is 6220371567.

It is a super-2 number, since 2×7651730226² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7651730227) 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, 418741 + ... + 436631.

It is an arithmetic number, because the mean of its divisors is an integer number (289850400).

Almost surely, 2^7651730226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7651730226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9275212800).

7651730226 is an abundant number, since it is smaller than the sum of its proper divisors (10898695374).

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

7651730226 is a wasteful number, since it uses less digits than its factorization.

7651730226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 7651730226 is about 87474.1689071694. The cubic root of 7651730226 is about 1970.5458755078.

The spelling of 7651730226 in words is "seven billion, six hundred fifty-one million, seven hundred thirty thousand, two hundred twenty-six".