7629973731 has 48 divisors (see below), whose sum is σ = 11324433120. Its totient is φ = 4949268480.

The previous prime is 7629973727. The next prime is 7629973733. The reversal of 7629973731 is 1373799267.

It is a happy number.

7629973731 is a `hidden beast` number, since 7 + 629 + 9 + 7 + 3 + 7 + 3 + 1 = 666.

It is not a de Polignac number, because 7629973731 - 2² = 7629973727 is a prime.

It is a super-2 number, since 2×7629973731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7629973733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17223196 + ... + 17223638.

It is an arithmetic number, because the mean of its divisors is an integer number (235925690).

Almost surely, 2^7629973731 is an apocalyptic number.

7629973731 is a deficient number, since it is larger than the sum of its proper divisors (3694459389).

7629973731 is a wasteful number, since it uses less digits than its factorization.

7629973731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 833 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 54.

The square root of 7629973731 is about 87349.7208409964. The cubic root of 7629973731 is about 1968.6764565241.

The spelling of 7629973731 in words is "seven billion, six hundred twenty-nine million, nine hundred seventy-three thousand, seven hundred thirty-one".