72125422 has 8 divisors (see below), whose sum is σ = 109404000. Its totient is φ = 35657424.

The previous prime is 72125419. The next prime is 72125429. The reversal of 72125422 is 22452127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72125429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202422 + ... + 202777.

It is an arithmetic number, because the mean of its divisors is an integer number (13675500).

Almost surely, 2^72125422 is an apocalyptic number.

72125422 is a deficient number, since it is larger than the sum of its proper divisors (37278578).

72125422 is a wasteful number, since it uses less digits than its factorization.

72125422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405290.

The product of its digits is 2240, while the sum is 25.

The square root of 72125422 is about 8492.6687207261. The cubic root of 72125422 is about 416.2581876965.

Adding to 72125422 its reverse (22452127), we get a palindrome (94577549).

The spelling of 72125422 in words is "seventy-two million, one hundred twenty-five thousand, four hundred twenty-two".