73047500 has 60 divisors (see below), whose sum is σ = 162697920. Its totient is φ = 28680000.

The previous prime is 73047473. The next prime is 73047503. The reversal of 73047500 is 574037.

It is a self number, because there is not a number n which added to its sum of digits gives 73047500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73047503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 152261 + ... + 152739.

It is an arithmetic number, because the mean of its divisors is an integer number (2711632).

Almost surely, 2^73047500 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 73047500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81348960).

73047500 is an abundant number, since it is smaller than the sum of its proper divisors (89650420).

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

73047500 is a wasteful number, since it uses less digits than its factorization.

73047500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 73047500 is about 8546.7830205288. The cubic root of 73047500 is about 418.0245477521.

The spelling of 73047500 in words is "seventy-three million, forty-seven thousand, five hundred".