73405376 has 42 divisors (see below), whose sum is σ = 160126680. Its totient is φ = 33362560.

The previous prime is 73405361. The next prime is 73405393. The reversal of 73405376 is 67350437.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3005 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (3812540).

Almost surely, 2^73405376 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 73405376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80063340).

73405376 is an abundant number, since it is smaller than the sum of its proper divisors (86721304).

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

73405376 is a wasteful number, since it uses less digits than its factorization.

73405376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9513 (or 9492 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 73405376 is about 8567.6937386907. The cubic root of 73405376 is about 418.7061011084.

The spelling of 73405376 in words is "seventy-three million, four hundred five thousand, three hundred seventy-six".