72286402 has 8 divisors (see below), whose sum is σ = 109424700. Its totient is φ = 35811504.

The previous prime is 72286399. The next prime is 72286421. The reversal of 72286402 is 20468227.

It can be written as a sum of positive squares in 2 ways, for example, as 68409441 + 3876961 = 8271^2 + 1969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 165577 + ... + 166012.

Almost surely, 2^72286402 is an apocalyptic number.

72286402 is a deficient number, since it is larger than the sum of its proper divisors (37138298).

72286402 is a wasteful number, since it uses less digits than its factorization.

72286402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331700.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 72286402 is about 8502.1410244714. The cubic root of 72286402 is about 416.5676460875.

The spelling of 72286402 in words is "seventy-two million, two hundred eighty-six thousand, four hundred two".