75218045494 has 8 divisors (see below), whose sum is σ = 112872810168. Its totient is φ = 37593775440.

The previous prime is 75218045491. The next prime is 75218045533. The reversal of 75218045494 is 49454081257.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75218045491) 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, 7617487 + ... + 7627354.

It is an arithmetic number, because the mean of its divisors is an integer number (14109101271).

Almost surely, 2^75218045494 is an apocalyptic number.

75218045494 is a deficient number, since it is larger than the sum of its proper divisors (37654764674).

75218045494 is a wasteful number, since it uses less digits than its factorization.

75218045494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247310.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 75218045494 in words is "seventy-five billion, two hundred eighteen million, forty-five thousand, four hundred ninety-four".