72210490 has 16 divisors (see below), whose sum is σ = 141795360. Its totient is φ = 26258320.

The previous prime is 72210487. The next prime is 72210499. The reversal of 72210490 is 9401227.

It is not an unprimeable number, because it can be changed into a prime (72210499) 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 in 7 ways as a sum of consecutive naturals, for example, 328120 + ... + 328339.

It is an arithmetic number, because the mean of its divisors is an integer number (8862210).

Almost surely, 2^72210490 is an apocalyptic number.

72210490 is a deficient number, since it is larger than the sum of its proper divisors (69584870).

72210490 is a wasteful number, since it uses less digits than its factorization.

72210490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656477.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 72210490 is about 8497.6755645294. The cubic root of 72210490 is about 416.4217746730.

The spelling of 72210490 in words is "seventy-two million, two hundred ten thousand, four hundred ninety".