72479201 has 4 divisors (see below), whose sum is σ = 72507072. Its totient is φ = 72451332.

The previous prime is 72479191. The next prime is 72479203. The reversal of 72479201 is 10297427.

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 a de Polignac number, because none of the positive numbers 2^k-72479201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72479203) 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, 9581 + ... + 15386.

It is an arithmetic number, because the mean of its divisors is an integer number (18126768).

Almost surely, 2^72479201 is an apocalyptic number.

It is an amenable number.

72479201 is a deficient number, since it is larger than the sum of its proper divisors (27871).

72479201 is a wasteful number, since it uses less digits than its factorization.

72479201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27870.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 72479201 is about 8513.4717360193. The cubic root of 72479201 is about 416.9376674002.

The spelling of 72479201 in words is "seventy-two million, four hundred seventy-nine thousand, two hundred one".