7491973629 has 24 divisors (see below), whose sum is σ = 11839465440. Its totient is φ = 4200347424.

The previous prime is 7491973613. The next prime is 7491973673. The reversal of 7491973629 is 9263791947.

It is not a de Polignac number, because 7491973629 - 2⁴ = 7491973613 is a prime.

It is a super-2 number, since 2×7491973629² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491971629) 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, 473019 + ... + 488600.

It is an arithmetic number, because the mean of its divisors is an integer number (493311060).

Almost surely, 2^7491973629 is an apocalyptic number.

It is an amenable number.

7491973629 is a deficient number, since it is larger than the sum of its proper divisors (4347491811).

7491973629 is a wasteful number, since it uses less digits than its factorization.

7491973629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961689 (or 961682 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 57.

The square root of 7491973629 is about 86556.1876990894. The cubic root of 7491973629 is about 1956.7353006748.

The spelling of 7491973629 in words is "seven billion, four hundred ninety-one million, nine hundred seventy-three thousand, six hundred twenty-nine".