7172193494 has 4 divisors (see below), whose sum is σ = 10758290244. Its totient is φ = 3586096746.

The previous prime is 7172193491. The next prime is 7172193527. The reversal of 7172193494 is 4943912717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4943912717 = 41 ⋅120583237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7172193491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1793048372 + ... + 1793048375.

It is an arithmetic number, because the mean of its divisors is an integer number (2689572561).

Almost surely, 2^7172193494 is an apocalyptic number.

7172193494 is a deficient number, since it is larger than the sum of its proper divisors (3586096750).

7172193494 is a wasteful number, since it uses less digits than its factorization.

7172193494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586096749.

The product of its digits is 381024, while the sum is 47.

The square root of 7172193494 is about 84688.8038290777. The cubic root of 7172193494 is about 1928.4897394211.

The spelling of 7172193494 in words is "seven billion, one hundred seventy-two million, one hundred ninety-three thousand, four hundred ninety-four".