72285419 has 8 divisors (see below), whose sum is σ = 74299680. Its totient is φ = 70283200.

The previous prime is 72285401. The next prime is 72285439. The reversal of 72285419 is 91458227.

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

It is a cyclic number.

It is not a de Polignac number, because 72285419 - 2¹⁶ = 72219883 is a prime.

It is a super-2 number, since 2×72285419² = 10450363600011122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72285439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9917 + ... + 15585.

It is an arithmetic number, because the mean of its divisors is an integer number (9287460).

Almost surely, 2^72285419 is an apocalyptic number.

72285419 is a deficient number, since it is larger than the sum of its proper divisors (2014261).

72285419 is a wasteful number, since it uses less digits than its factorization.

72285419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021.

The product of its digits is 40320, while the sum is 38.

The square root of 72285419 is about 8502.0832153067. The cubic root of 72285419 is about 416.5657578215.

The spelling of 72285419 in words is "seventy-two million, two hundred eighty-five thousand, four hundred nineteen".