73600020 has 144 divisors (see below), whose sum is σ = 244363392. Its totient is φ = 17821440.

The previous prime is 73600019. The next prime is 73600031. The reversal of 73600020 is 2000637.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 73599966 and 73600002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165919 + ... + 166361.

It is an arithmetic number, because the mean of its divisors is an integer number (1696968).

Almost surely, 2^73600020 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 73600020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122181696).

73600020 is an abundant number, since it is smaller than the sum of its proper divisors (170763372).

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

73600020 is a wasteful number, since it uses less digits than its factorization.

73600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 73600020 is about 8579.0454014418. The cubic root of 73600020 is about 419.0758592284.

Adding to 73600020 its reverse (2000637), we get a palindrome (75600657).

The spelling of 73600020 in words is "seventy-three million, six hundred thousand, twenty".