73673064 has 160 divisors (see below), whose sum is σ = 219542400. Its totient is φ = 23051520.

The previous prime is 73673063. The next prime is 73673069. The reversal of 73673064 is 46037637.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73673063) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1248667 + ... + 1248725.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^73673064 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 73673064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109771200).

73673064 is an abundant number, since it is smaller than the sum of its proper divisors (145869336).

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

73673064 is a wasteful number, since it uses less digits than its factorization.

73673064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 73673064 is about 8583.3014627240. The cubic root of 73673064 is about 419.2144500244.

The spelling of 73673064 in words is "seventy-three million, six hundred seventy-three thousand, sixty-four".