76722632 has 96 divisors (see below), whose sum is σ = 183756600. Its totient is φ = 29804544.

The previous prime is 76722631. The next prime is 76722637. The reversal of 76722632 is 23622767.

It can be written as a sum of positive squares in 4 ways, for example, as 75099556 + 1623076 = 8666^2 + 1274^2 .

It is a super-2 number, since 2×76722632² = 11772724522014848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76722592 and 76722601.

It is not an unprimeable number, because it can be changed into a prime (76722631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193058 + ... + 193454.

Almost surely, 2^76722632 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 76722632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91878300).

76722632 is an abundant number, since it is smaller than the sum of its proper divisors (107033968).

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

76722632 is a wasteful number, since it uses less digits than its factorization.

76722632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 452 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 76722632 is about 8759.1456204358. The cubic root of 76722632 is about 424.9206440071.

The spelling of 76722632 in words is "seventy-six million, seven hundred twenty-two thousand, six hundred thirty-two".