72450206 has 4 divisors (see below), whose sum is σ = 108675312. Its totient is φ = 36225102.

The previous prime is 72450197. The next prime is 72450223. The reversal of 72450206 is 60205427.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18112550 + ... + 18112553.

It is an arithmetic number, because the mean of its divisors is an integer number (27168828).

Almost surely, 2^72450206 is an apocalyptic number.

72450206 is a deficient number, since it is larger than the sum of its proper divisors (36225106).

72450206 is a wasteful number, since it uses less digits than its factorization.

72450206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225105.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72450206 is about 8511.7686763680. The cubic root of 72450206 is about 416.8820619303.

The spelling of 72450206 in words is "seventy-two million, four hundred fifty thousand, two hundred six".