73476720 has 400 divisors, whose sum is σ = 291677760. Its totient is φ = 17031168.

The previous prime is 73476719. The next prime is 73476761. The reversal of 73476720 is 2767437.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2533666 + ... + 2533694.

Almost surely, 2^73476720 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 73476720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145838880).

73476720 is an abundant number, since it is smaller than the sum of its proper divisors (218201040).

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

73476720 is a wasteful number, since it uses less digits than its factorization.

73476720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 73476720 is about 8571.8562750433. The cubic root of 73476720 is about 418.8417065057.

The spelling of 73476720 in words is "seventy-three million, four hundred seventy-six thousand, seven hundred twenty".