72444194 has 8 divisors (see below), whose sum is σ = 108753600. Its totient is φ = 36192996.

The previous prime is 72444193. The next prime is 72444217. The reversal of 72444194 is 49144427.

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

It is a super-2 number, since 2×72444194² = 10496322488619272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72444193) 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, 11294 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (13594200).

Almost surely, 2^72444194 is an apocalyptic number.

72444194 is a deficient number, since it is larger than the sum of its proper divisors (36309406).

72444194 is a wasteful number, since it uses less digits than its factorization.

72444194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29104.

The product of its digits is 32256, while the sum is 35.

The square root of 72444194 is about 8511.4155109476. The cubic root of 72444194 is about 416.8705304964.

The spelling of 72444194 in words is "seventy-two million, four hundred forty-four thousand, one hundred ninety-four".