72455873 has 8 divisors (see below), whose sum is σ = 87165120. Its totient is φ = 58836240.

The previous prime is 72455863. The next prime is 72455881. The reversal of 72455873 is 37855427.

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 72455873 - 2⁴ = 72455857 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72455873.

It is not an unprimeable number, because it can be changed into a prime (72455813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272258 + ... + 272523.

It is an arithmetic number, because the mean of its divisors is an integer number (10895640).

Almost surely, 2^72455873 is an apocalyptic number.

It is an amenable number.

72455873 is a deficient number, since it is larger than the sum of its proper divisors (14709247).

72455873 is a wasteful number, since it uses less digits than its factorization.

72455873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544807.

The product of its digits is 235200, while the sum is 41.

The square root of 72455873 is about 8512.1015618941. The cubic root of 72455873 is about 416.8929310462.

The spelling of 72455873 in words is "seventy-two million, four hundred fifty-five thousand, eight hundred seventy-three".