72245310 has 32 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 19177248.

The previous prime is 72245297. The next prime is 72245357. The reversal of 72245310 is 1354227.

It is a super-2 number, since 2×72245310² = 10438769633992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^72245310 is an apocalyptic number.

72245310 is an abundant number, since it is smaller than the sum of its proper divisors (101937090).

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

72245310 is a wasteful number, since it uses less digits than its factorization.

72245310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 72245310 is about 8499.7241131698. The cubic root of 72245310 is about 416.4886969729.

Adding to 72245310 its reverse (1354227), we get a palindrome (73599537).

The spelling of 72245310 in words is "seventy-two million, two hundred forty-five thousand, three hundred ten".