73930320 has 120 divisors (see below), whose sum is σ = 257546016. Its totient is φ = 19709568.

The previous prime is 73930313. The next prime is 73930327. The reversal of 73930320 is 2303937.

It is an interprime number because it is at equal distance from previous prime (73930313) and next prime (73930327).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73930327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17539 + ... + 21341.

Almost surely, 2^73930320 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 73930320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128773008).

73930320 is an abundant number, since it is smaller than the sum of its proper divisors (183615696).

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

73930320 is a wasteful number, since it uses less digits than its factorization.

73930320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 73930320 is about 8598.2742454518. The cubic root of 73930320 is about 419.7018291859.

The spelling of 73930320 in words is "seventy-three million, nine hundred thirty thousand, three hundred twenty".