72752262 has 16 divisors (see below), whose sum is σ = 158732352. Its totient is φ = 22046120.

The previous prime is 72752261. The next prime is 72752263. The reversal of 72752262 is 26225727.

It is an interprime number because it is at equal distance from previous prime (72752261) and next prime (72752263).

It is a super-2 number, since 2×72752262² = 10585783252233288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72752261) 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, 551088 + ... + 551219.

It is an arithmetic number, because the mean of its divisors is an integer number (9920772).

Almost surely, 2^72752262 is an apocalyptic number.

72752262 is an abundant number, since it is smaller than the sum of its proper divisors (85980090).

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

72752262 is a wasteful number, since it uses less digits than its factorization.

72752262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102323.

The product of its digits is 23520, while the sum is 33.

The square root of 72752262 is about 8529.4936543736. The cubic root of 72752262 is about 417.4606070378.

Adding to 72752262 its reverse (26225727), we get a palindrome (98977989).

The spelling of 72752262 in words is "seventy-two million, seven hundred fifty-two thousand, two hundred sixty-two".