7630745772 has 96 divisors (see below), whose sum is σ = 19890669568. Its totient is φ = 2261758464.

The previous prime is 7630745747. The next prime is 7630745779. The reversal of 7630745772 is 2775470367.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7630745779) 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, 481893 + ... + 497475.

Almost surely, 2^7630745772 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 7630745772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9945334784).

7630745772 is an abundant number, since it is smaller than the sum of its proper divisors (12259923796).

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

7630745772 is a wasteful number, since it uses less digits than its factorization.

7630745772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15719 (or 15717 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 48.

The square root of 7630745772 is about 87354.1399820295. The cubic root of 7630745772 is about 1968.7428546417.

The spelling of 7630745772 in words is "seven billion, six hundred thirty million, seven hundred forty-five thousand, seven hundred seventy-two".