72194341 has 4 divisors (see below), whose sum is σ = 72343072. Its totient is φ = 72045612.

The previous prime is 72194329. The next prime is 72194407. The reversal of 72194341 is 14349127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14349127 = 13 ⋅1103779.

It is a cyclic number.

It is not a de Polignac number, because 72194341 - 2¹¹ = 72192293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72191341) 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, 73635 + ... + 74608.

It is an arithmetic number, because the mean of its divisors is an integer number (18085768).

Almost surely, 2^72194341 is an apocalyptic number.

It is an amenable number.

72194341 is a deficient number, since it is larger than the sum of its proper divisors (148731).

72194341 is a wasteful number, since it uses less digits than its factorization.

72194341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148730.

The product of its digits is 6048, while the sum is 31.

The square root of 72194341 is about 8496.7253103769. The cubic root of 72194341 is about 416.3907297993.

The spelling of 72194341 in words is "seventy-two million, one hundred ninety-four thousand, three hundred forty-one".