73930725 has 60 divisors (see below), whose sum is σ = 149439840. Its totient is φ = 35834400.

The previous prime is 73930721. The next prime is 73930741. The reversal of 73930725 is 52703937.

It is a happy number.

It is not a de Polignac number, because 73930725 - 2² = 73930721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73930725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73930721) 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 59 ways as a sum of consecutive naturals, for example, 20616 + ... + 23934.

It is an arithmetic number, because the mean of its divisors is an integer number (2490664).

Almost surely, 2^73930725 is an apocalyptic number.

73930725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73930725 is an abundant number, since it is smaller than the sum of its proper divisors (75509115).

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

73930725 is a wasteful number, since it uses less digits than its factorization.

73930725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 73930725 is about 8598.2977966572. The cubic root of 73930725 is about 419.7025955784.

The spelling of 73930725 in words is "seventy-three million, nine hundred thirty thousand, seven hundred twenty-five".