72455141 has 4 divisors (see below), whose sum is σ = 79041984. Its totient is φ = 65868300.

The previous prime is 72455111. The next prime is 72455147. The reversal of 72455141 is 14155427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72455141 - 2²² = 68260837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72455147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3293405 + ... + 3293426.

It is an arithmetic number, because the mean of its divisors is an integer number (19760496).

Almost surely, 2^72455141 is an apocalyptic number.

It is an amenable number.

72455141 is a deficient number, since it is larger than the sum of its proper divisors (6586843).

72455141 is a wasteful number, since it uses less digits than its factorization.

72455141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586842.

The product of its digits is 5600, while the sum is 29.

The square root of 72455141 is about 8512.0585641782. The cubic root of 72455141 is about 416.8915271266.

The spelling of 72455141 in words is "seventy-two million, four hundred fifty-five thousand, one hundred forty-one".