73525725 has 216 divisors, whose sum is σ = 180092640. Its totient is φ = 29393280.

The previous prime is 73525723. The next prime is 73525729. The reversal of 73525725 is 52752537.

It is a happy number.

It is not a de Polignac number, because 73525725 - 2¹ = 73525723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73525725.

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 polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 3869766 + ... + 3869784.

Almost surely, 2^73525725 is an apocalyptic number.

73525725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73525725 is an abundant number, since it is smaller than the sum of its proper divisors (106566915).

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

73525725 is a wasteful number, since it uses less digits than its factorization.

73525725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 47 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 73525725 is about 8574.7142809542. The cubic root of 73525725 is about 418.9348007375.

The spelling of 73525725 in words is "seventy-three million, five hundred twenty-five thousand, seven hundred twenty-five".