72262140 has 24 divisors (see below), whose sum is σ = 202334160. Its totient is φ = 19269888.

The previous prime is 72262139. The next prime is 72262153. The reversal of 72262140 is 4126227.

It is a self number, because there is not a number n which added to its sum of digits gives 72262140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602125 + ... + 602244.

It is an arithmetic number, because the mean of its divisors is an integer number (8430590).

Almost surely, 2^72262140 is an apocalyptic number.

It is an amenable number.

72262140 is an abundant number, since it is smaller than the sum of its proper divisors (130072020).

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

72262140 is a wasteful number, since it uses less digits than its factorization.

72262140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204381 (or 1204379 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 72262140 is about 8500.7140876517. The cubic root of 72262140 is about 416.5210356836.

Adding to 72262140 its reverse (4126227), we get a palindrome (76388367).

The spelling of 72262140 in words is "seventy-two million, two hundred sixty-two thousand, one hundred forty".