72451341 has 20 divisors (see below), whose sum is σ = 109097472. Its totient is φ = 47913768.

The previous prime is 72451279. The next prime is 72451343. The reversal of 72451341 is 14315427.

It is not a de Polignac number, because 72451341 - 2⁷ = 72451213 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72451343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6766 + ... + 13808.

Almost surely, 2^72451341 is an apocalyptic number.

It is an amenable number.

72451341 is a deficient number, since it is larger than the sum of its proper divisors (36646131).

72451341 is a wasteful number, since it uses less digits than its factorization.

72451341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7173 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 72451341 is about 8511.8353485015. The cubic root of 72451341 is about 416.8842388676.

Adding to 72451341 its reverse (14315427), we get a palindrome (86766768).

The spelling of 72451341 in words is "seventy-two million, four hundred fifty-one thousand, three hundred forty-one".