73520751 has 4 divisors (see below), whose sum is σ = 98027672. Its totient is φ = 49013832.

The previous prime is 73520729. The next prime is 73520779. The reversal of 73520751 is 15702537.

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

It is not a de Polignac number, because 73520751 - 2¹¹ = 73518703 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 (73520701) 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, 12253456 + ... + 12253461.

It is an arithmetic number, because the mean of its divisors is an integer number (24506918).

Almost surely, 2^73520751 is an apocalyptic number.

73520751 is a deficient number, since it is larger than the sum of its proper divisors (24506921).

73520751 is a wasteful number, since it uses less digits than its factorization.

73520751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24506920.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 73520751 is about 8574.4242372302. The cubic root of 73520751 is about 418.9253535738.

The spelling of 73520751 in words is "seventy-three million, five hundred twenty thousand, seven hundred fifty-one".