73634364 has 72 divisors (see below), whose sum is σ = 194004720. Its totient is φ = 23520000.

The previous prime is 73634359. The next prime is 73634387. The reversal of 73634364 is 46343637.

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 23 ways as a sum of consecutive naturals, for example, 261904 + ... + 262184.

It is an arithmetic number, because the mean of its divisors is an integer number (2694510).

Almost surely, 2^73634364 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 73634364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97002360).

73634364 is an abundant number, since it is smaller than the sum of its proper divisors (120370356).

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

73634364 is a wasteful number, since it uses less digits than its factorization.

73634364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 566 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

The square root of 73634364 is about 8581.0467892909. The cubic root of 73634364 is about 419.1410335911.

The spelling of 73634364 in words is "seventy-three million, six hundred thirty-four thousand, three hundred sixty-four".