73878484 has 12 divisors (see below), whose sum is σ = 134908704. Its totient is φ = 35333144.

The previous prime is 73878473. The next prime is 73878523. The reversal of 73878484 is 48487837.

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 3 ways as a sum of consecutive naturals, for example, 401422 + ... + 401605.

It is an arithmetic number, because the mean of its divisors is an integer number (11242392).

Almost surely, 2^73878484 is an apocalyptic number.

It is an amenable number.

73878484 is a deficient number, since it is larger than the sum of its proper divisors (61030220).

73878484 is a wasteful number, since it uses less digits than its factorization.

73878484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803054 (or 803052 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 73878484 is about 8595.2593910830. The cubic root of 73878484 is about 419.6037154005.

The spelling of 73878484 in words is "seventy-three million, eight hundred seventy-eight thousand, four hundred eighty-four".