72463845 has 8 divisors (see below), whose sum is σ = 115942176. Its totient is φ = 38647376.

The previous prime is 72463841. The next prime is 72463847. The reversal of 72463845 is 54836427.

It is a happy number.

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 72463845 - 2² = 72463841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72463841) 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, 2415447 + ... + 2415476.

It is an arithmetic number, because the mean of its divisors is an integer number (14492772).

Almost surely, 2^72463845 is an apocalyptic number.

It is an amenable number.

72463845 is a deficient number, since it is larger than the sum of its proper divisors (43478331).

72463845 is a wasteful number, since it uses less digits than its factorization.

72463845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830931.

The product of its digits is 161280, while the sum is 39.

The square root of 72463845 is about 8512.5698235022. The cubic root of 72463845 is about 416.9082201154.

The spelling of 72463845 in words is "seventy-two million, four hundred sixty-three thousand, eight hundred forty-five".