73125307 has 4 divisors (see below), whose sum is σ = 73182816. Its totient is φ = 73067800.

The previous prime is 73125301. The next prime is 73125329. The reversal of 73125307 is 70352137.

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 73125307 - 2⁷ = 73125179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73125301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26803 + ... + 29404.

It is an arithmetic number, because the mean of its divisors is an integer number (18295704).

Almost surely, 2^73125307 is an apocalyptic number.

73125307 is a deficient number, since it is larger than the sum of its proper divisors (57509).

73125307 is a wasteful number, since it uses less digits than its factorization.

73125307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57508.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 73125307 is about 8551.3336386788. Note that the first 3 decimals coincide. The cubic root of 73125307 is about 418.1729155706.

The spelling of 73125307 in words is "seventy-three million, one hundred twenty-five thousand, three hundred seven".