72341452 has 24 divisors (see below), whose sum is σ = 128554272. Its totient is φ = 35616000.

The previous prime is 72341429. The next prime is 72341453. The reversal of 72341452 is 25414327.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 72341452.

It is not an unprimeable number, because it can be changed into a prime (72341453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96993 + ... + 97735.

It is an arithmetic number, because the mean of its divisors is an integer number (5356428).

Almost surely, 2^72341452 is an apocalyptic number.

It is an amenable number.

72341452 is a deficient number, since it is larger than the sum of its proper divisors (56212820).

72341452 is a wasteful number, since it uses less digits than its factorization.

72341452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 72341452 is about 8505.3778281744. The cubic root of 72341452 is about 416.6733655101.

Adding to 72341452 its reverse (25414327), we get a palindrome (97755779).

The spelling of 72341452 in words is "seventy-two million, three hundred forty-one thousand, four hundred fifty-two".