72455089 has 8 divisors (see below), whose sum is σ = 82874880. Its totient is φ = 62052576.

The previous prime is 72455069. The next prime is 72455093. The reversal of 72455089 is 98055427.

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

It is a cyclic number.

It is not a de Polignac number, because 72455089 - 2⁵ = 72455057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72455069) 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, 6477 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (10359360).

Almost surely, 2^72455089 is an apocalyptic number.

It is an amenable number.

72455089 is a deficient number, since it is larger than the sum of its proper divisors (10419791).

72455089 is a wasteful number, since it uses less digits than its factorization.

72455089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 72455089 is about 8512.0555096874. The cubic root of 72455089 is about 416.8914273943.

The spelling of 72455089 in words is "seventy-two million, four hundred fifty-five thousand, eighty-nine".