7730715132 has 72 divisors (see below), whose sum is σ = 22433488896. Its totient is φ = 2198854944.

The previous prime is 7730715131. The next prime is 7730715143. The reversal of 7730715132 is 2315170377.

7730715132 is a `hidden beast` number, since 7 + 73 + 0 + 71 + 513 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7730715131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12588 + ... + 124979.

Almost surely, 2^7730715132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7730715132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11216744448).

7730715132 is an abundant number, since it is smaller than the sum of its proper divisors (14702773764).

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

7730715132 is a wasteful number, since it uses less digits than its factorization.

7730715132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137807 (or 137802 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 7730715132 is about 87924.4853951389. The cubic root of 7730715132 is about 1977.3029916100.

The spelling of 7730715132 in words is "seven billion, seven hundred thirty million, seven hundred fifteen thousand, one hundred thirty-two".