72271834 has 8 divisors (see below), whose sum is σ = 108444960. Its totient is φ = 36123516.

The previous prime is 72271831. The next prime is 72271861. The reversal of 72271834 is 43817227.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72271834.

It is not an unprimeable number, because it can be changed into a prime (72271831) 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, 5497 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (13555620).

Almost surely, 2^72271834 is an apocalyptic number.

72271834 is a deficient number, since it is larger than the sum of its proper divisors (36173126).

72271834 is a wasteful number, since it uses less digits than its factorization.

72271834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404.

The product of its digits is 18816, while the sum is 34.

The square root of 72271834 is about 8501.2842559227. The cubic root of 72271834 is about 416.5396603483.

The spelling of 72271834 in words is "seventy-two million, two hundred seventy-one thousand, eight hundred thirty-four".