73525720 has 16 divisors (see below), whose sum is σ = 165432960. Its totient is φ = 29410272.

The previous prime is 73525703. The next prime is 73525723. The reversal of 73525720 is 2752537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73525723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919032 + ... + 919111.

It is an arithmetic number, because the mean of its divisors is an integer number (10339560).

Almost surely, 2^73525720 is an apocalyptic number.

It is an amenable number.

73525720 is an abundant number, since it is smaller than the sum of its proper divisors (91907240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73525720 is a wasteful number, since it uses less digits than its factorization.

73525720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838154 (or 1838150 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 73525720 is about 8574.7139893993. The cubic root of 73525720 is about 418.9347912412.

The spelling of 73525720 in words is "seventy-three million, five hundred twenty-five thousand, seven hundred twenty".