72113894 has 8 divisors (see below), whose sum is σ = 111900960. Its totient is φ = 34813576.

The previous prime is 72113893. The next prime is 72113897. The reversal of 72113894 is 49831127.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72113891) 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, 621614 + ... + 621729.

It is an arithmetic number, because the mean of its divisors is an integer number (13987620).

Almost surely, 2^72113894 is an apocalyptic number.

72113894 is a deficient number, since it is larger than the sum of its proper divisors (39787066).

72113894 is a wasteful number, since it uses less digits than its factorization.

72113894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243374.

The product of its digits is 12096, while the sum is 35.

The square root of 72113894 is about 8491.9899905735. The cubic root of 72113894 is about 416.2360092933.

The spelling of 72113894 in words is "seventy-two million, one hundred thirteen thousand, eight hundred ninety-four".