73787064 has 64 divisors (see below), whose sum is σ = 201966240. Its totient is φ = 22325760.

The previous prime is 73787029. The next prime is 73787071. The reversal of 73787064 is 46078737.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17094 + ... + 20970.

Almost surely, 2^73787064 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 73787064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100983120).

73787064 is an abundant number, since it is smaller than the sum of its proper divisors (128179176).

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

73787064 is a wasteful number, since it uses less digits than its factorization.

73787064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3956 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 73787064 is about 8589.9396971108. The cubic root of 73787064 is about 419.4305661820.

The spelling of 73787064 in words is "seventy-three million, seven hundred eighty-seven thousand, sixty-four".