73125953 has 4 divisors (see below), whose sum is σ = 74155968. Its totient is φ = 72095940.

The previous prime is 73125917. The next prime is 73125961. The reversal of 73125953 is 35952137.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73125953 - 2⁸ = 73125697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73125973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514901 + ... + 515042.

It is an arithmetic number, because the mean of its divisors is an integer number (18538992).

Almost surely, 2^73125953 is an apocalyptic number.

It is an amenable number.

73125953 is a deficient number, since it is larger than the sum of its proper divisors (1030015).

73125953 is a wasteful number, since it uses less digits than its factorization.

73125953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030014.

The product of its digits is 28350, while the sum is 35.

The square root of 73125953 is about 8551.3714104815. The cubic root of 73125953 is about 418.1741469679.

The spelling of 73125953 in words is "seventy-three million, one hundred twenty-five thousand, nine hundred fifty-three".