7500625643 has 4 divisors (see below), whose sum is σ = 8572143600. Its totient is φ = 6429107688.

The previous prime is 7500625637. The next prime is 7500625663. The reversal of 7500625643 is 3465260057.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7500625643 - 2⁸ = 7500625387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7500625597 and 7500625606.

It is not an unprimeable number, because it can be changed into a prime (7500625603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535758968 + ... + 535758981.

It is an arithmetic number, because the mean of its divisors is an integer number (2143035900).

Almost surely, 2^7500625643 is an apocalyptic number.

7500625643 is a deficient number, since it is larger than the sum of its proper divisors (1071517957).

7500625643 is a wasteful number, since it uses less digits than its factorization.

7500625643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071517956.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 7500625643 is about 86606.1524546611. The cubic root of 7500625643 is about 1957.4882481718.

The spelling of 7500625643 in words is "seven billion, five hundred million, six hundred twenty-five thousand, six hundred forty-three".