73125757 has 8 divisors (see below), whose sum is σ = 75008384. Its totient is φ = 71251488.

The previous prime is 73125719. The next prime is 73125761. The reversal of 73125757 is 75752137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73125757 - 2¹¹ = 73123709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73135757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18073 + ... + 21745.

It is an arithmetic number, because the mean of its divisors is an integer number (9376048).

Almost surely, 2^73125757 is an apocalyptic number.

It is an amenable number.

73125757 is a deficient number, since it is larger than the sum of its proper divisors (1882627).

73125757 is a wasteful number, since it uses less digits than its factorization.

73125757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its digits is 51450, while the sum is 37.

The square root of 73125757 is about 8551.3599503237. The cubic root of 73125757 is about 418.1737733559.

The spelling of 73125757 in words is "seventy-three million, one hundred twenty-five thousand, seven hundred fifty-seven".