73423680 has 224 divisors, whose sum is σ = 269930880. Its totient is φ = 16711680.

The previous prime is 73423639. The next prime is 73423703. The reversal of 73423680 is 8632437.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179316 + ... + 179724.

Almost surely, 2^73423680 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 73423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134965440).

73423680 is an abundant number, since it is smaller than the sum of its proper divisors (196507200).

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

73423680 is a wasteful number, since it uses less digits than its factorization.

73423680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 73423680 is about 8568.7618708889. The cubic root of 73423680 is about 418.7409003740.

The spelling of 73423680 in words is "seventy-three million, four hundred twenty-three thousand, six hundred eighty".