72836452 has 12 divisors (see below), whose sum is σ = 137268796. Its totient is φ = 33616800.

The previous prime is 72836447. The next prime is 72836471. The reversal of 72836452 is 25463827.

It can be written as a sum of positive squares in 2 ways, for example, as 15319396 + 57517056 = 3914^2 + 7584^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 700299 + ... + 700402.

Almost surely, 2^72836452 is an apocalyptic number.

It is an amenable number.

72836452 is a deficient number, since it is larger than the sum of its proper divisors (64432344).

72836452 is a wasteful number, since it uses less digits than its factorization.

72836452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400718 (or 1400716 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 72836452 is about 8534.4274558988. The cubic root of 72836452 is about 417.6215755038.

Subtracting from 72836452 its sum of digits (37), we obtain a triangular number (72836415 = T₁₂₀₆₉).

The spelling of 72836452 in words is "seventy-two million, eight hundred thirty-six thousand, four hundred fifty-two".