7629273945 has 48 divisors (see below), whose sum is σ = 13532397840. Its totient is φ = 3974750208.

The previous prime is 7629273907. The next prime is 7629273979. The reversal of 7629273945 is 5493729267.

7629273945 is a `hidden beast` number, since 7 + 629 + 2 + 7 + 3 + 9 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 251666496 + 7377607449 = 15864^2 + 85893^2 .

It is not a de Polignac number, because 7629273945 - 2¹⁰ = 7629272921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7629273891 and 7629273900.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 548841 + ... + 562569.

It is an arithmetic number, because the mean of its divisors is an integer number (281924955).

Almost surely, 2^7629273945 is an apocalyptic number.

It is an amenable number.

7629273945 is a deficient number, since it is larger than the sum of its proper divisors (5903123895).

7629273945 is a wasteful number, since it uses less digits than its factorization.

7629273945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14026 (or 14023 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 7629273945 is about 87345.7150923845. The cubic root of 7629273945 is about 1968.6162687091.

The spelling of 7629273945 in words is "seven billion, six hundred twenty-nine million, two hundred seventy-three thousand, nine hundred forty-five".