7629692980 has 72 divisors (see below), whose sum is σ = 20071995048. Its totient is φ = 2414668032.

The previous prime is 7629692977. The next prime is 7629692989. The reversal of 7629692980 is 892969267.

It can be written as a sum of positive squares in 4 ways, for example, as 257409936 + 7372283044 = 16044^2 + 85862^2 .

It is a super-2 number, since 2×7629692980² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7629692989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286699 + ... + 312178.

It is an arithmetic number, because the mean of its divisors is an integer number (278777709).

Almost surely, 2^7629692980 is an apocalyptic number.

7629692980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7629692980 is an abundant number, since it is smaller than the sum of its proper divisors (12442302068).

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

7629692980 is a wasteful number, since it uses less digits than its factorization.

7629692980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598913 (or 598904 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 7629692980 is about 87348.1137747118. The cubic root of 7629692980 is about 1968.6523098852.

The spelling of 7629692980 in words is "seven billion, six hundred twenty-nine million, six hundred ninety-two thousand, nine hundred eighty".