7261788630 has 32 divisors (see below), whose sum is σ = 17475807744. Its totient is φ = 1931197536.

The previous prime is 7261788601. The next prime is 7261788637. The reversal of 7261788630 is 368871627.

It is a self number, because there is not a number n which added to its sum of digits gives 7261788630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261788637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318772 + ... + 340791.

It is an arithmetic number, because the mean of its divisors is an integer number (546118992).

Almost surely, 2^7261788630 is an apocalyptic number.

7261788630 is an abundant number, since it is smaller than the sum of its proper divisors (10214019114).

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

7261788630 is a wasteful number, since it uses less digits than its factorization.

7261788630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659940.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 7261788630 is about 85216.1289310891. The cubic root of 7261788630 is about 1936.4867713901.

The spelling of 7261788630 in words is "seven billion, two hundred sixty-one million, seven hundred eighty-eight thousand, six hundred thirty".