72454141 has 4 divisors (see below), whose sum is σ = 72473472. Its totient is φ = 72434812.

The previous prime is 72454121. The next prime is 72454147. The reversal of 72454141 is 14145427.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14145427 = 59 ⋅239753.

It is a cyclic number.

It is not a de Polignac number, because 72454141 - 2¹⁹ = 71929853 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 (72454147) 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, 2035 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (18118368).

Almost surely, 2^72454141 is an apocalyptic number.

It is an amenable number.

72454141 is a deficient number, since it is larger than the sum of its proper divisors (19331).

72454141 is a wasteful number, since it uses less digits than its factorization.

72454141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19330.

The product of its digits is 4480, while the sum is 28.

The square root of 72454141 is about 8511.9998237782. Note that the first 3 decimals coincide. The cubic root of 72454141 is about 416.8896091884.

Adding to 72454141 its reverse (14145427), we get a palindrome (86599568).

The spelling of 72454141 in words is "seventy-two million, four hundred fifty-four thousand, one hundred forty-one".