73725036 has 96 divisors (see below), whose sum is σ = 217609728. Its totient is φ = 18869760.

The previous prime is 73725017. The next prime is 73725061. The reversal of 73725036 is 63052737.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 73724988 and 73725006.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 66906 + ... + 67998.

It is an arithmetic number, because the mean of its divisors is an integer number (2266768).

Almost surely, 2^73725036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73725036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108804864).

73725036 is an abundant number, since it is smaller than the sum of its proper divisors (143884692).

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

73725036 is a wasteful number, since it uses less digits than its factorization.

73725036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 73725036 is about 8586.3284353675. The cubic root of 73725036 is about 419.3130038738.

The spelling of 73725036 in words is "seventy-three million, seven hundred twenty-five thousand, thirty-six".