72613006 has 4 divisors (see below), whose sum is σ = 108919512. Its totient is φ = 36306502.

The previous prime is 72612949. The next prime is 72613019. The reversal of 72613006 is 60031627.

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, 18153250 + ... + 18153253.

It is an arithmetic number, because the mean of its divisors is an integer number (27229878).

Almost surely, 2^72613006 is an apocalyptic number.

72613006 is a deficient number, since it is larger than the sum of its proper divisors (36306506).

72613006 is a wasteful number, since it uses less digits than its factorization.

72613006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36306505.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 72613006 is about 8521.3265399232. The cubic root of 72613006 is about 417.1940814169.

The spelling of 72613006 in words is "seventy-two million, six hundred thirteen thousand, six".