72995806 has 8 divisors (see below), whose sum is σ = 117916344. Its totient is φ = 33690360.

The previous prime is 72995771. The next prime is 72995809. The reversal of 72995806 is 60859927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72995809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403740 + ... + 1403791.

It is an arithmetic number, because the mean of its divisors is an integer number (14739543).

Almost surely, 2^72995806 is an apocalyptic number.

72995806 is a deficient number, since it is larger than the sum of its proper divisors (44920538).

72995806 is a wasteful number, since it uses less digits than its factorization.

72995806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807546.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 72995806 is about 8543.7583065066. The cubic root of 72995806 is about 417.9259157640.

The spelling of 72995806 in words is "seventy-two million, nine hundred ninety-five thousand, eight hundred six".