72287262 has 16 divisors (see below), whose sum is σ = 160638480. Its totient is φ = 24095736.

The previous prime is 72287261. The next prime is 72287287. The reversal of 72287262 is 26278227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72287261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669273 + ... + 669380.

It is an arithmetic number, because the mean of its divisors is an integer number (10039905).

Almost surely, 2^72287262 is an apocalyptic number.

72287262 is an abundant number, since it is smaller than the sum of its proper divisors (88351218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72287262 is a wasteful number, since it uses less digits than its factorization.

72287262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338664 (or 1338658 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 72287262 is about 8502.1915998171. The cubic root of 72287262 is about 416.5692980660.

The spelling of 72287262 in words is "seventy-two million, two hundred eighty-seven thousand, two hundred sixty-two".