72716146 has 8 divisors (see below), whose sum is σ = 110133504. Its totient is φ = 36004980.

The previous prime is 72716117. The next prime is 72716153. The reversal of 72716146 is 64161727.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176290 + ... + 176701.

It is an arithmetic number, because the mean of its divisors is an integer number (13766688).

Almost surely, 2^72716146 is an apocalyptic number.

72716146 is a deficient number, since it is larger than the sum of its proper divisors (37417358).

72716146 is a wasteful number, since it uses less digits than its factorization.

72716146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353096.

The product of its digits is 14112, while the sum is 34.

The square root of 72716146 is about 8527.3762670589. The cubic root of 72716146 is about 417.3915163895.

The spelling of 72716146 in words is "seventy-two million, seven hundred sixteen thousand, one hundred forty-six".