73840276 has 6 divisors (see below), whose sum is σ = 129220490. Its totient is φ = 36920136.

The previous prime is 73840253. The next prime is 73840279. The reversal of 73840276 is 67204837.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 34527376 = 6270^2 + 5876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73840279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9230031 + ... + 9230038.

Almost surely, 2^73840276 is an apocalyptic number.

It is an amenable number.

73840276 is a deficient number, since it is larger than the sum of its proper divisors (55380214).

73840276 is a wasteful number, since it uses less digits than its factorization.

73840276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18460073 (or 18460071 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 73840276 is about 8593.0364831065. The cubic root of 73840276 is about 419.5313669417.

It can be divided in two parts, 738 and 40276, that added together give a palindrome (41014).

The spelling of 73840276 in words is "seventy-three million, eight hundred forty thousand, two hundred seventy-six".