73387828 has 12 divisors (see below), whose sum is σ = 130852260. Its totient is φ = 36001472.

The previous prime is 73387813. The next prime is 73387829. The reversal of 73387828 is 82878337.

It can be written as a sum of positive squares in 2 ways, for example, as 64931364 + 8456464 = 8058^2 + 2908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73387829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172873 + ... + 173296.

It is an arithmetic number, because the mean of its divisors is an integer number (10904355).

Almost surely, 2^73387828 is an apocalyptic number.

It is an amenable number.

73387828 is a deficient number, since it is larger than the sum of its proper divisors (57464432).

73387828 is a wasteful number, since it uses less digits than its factorization.

73387828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346226 (or 346224 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 73387828 is about 8566.6695979243. The cubic root of 73387828 is about 418.6727337057.

The spelling of 73387828 in words is "seventy-three million, three hundred eighty-seven thousand, eight hundred twenty-eight".