75378393245 has 8 divisors (see below), whose sum is σ = 95214812640. Its totient is φ = 57128887440.

The previous prime is 75378393241. The next prime is 75378393257. The reversal of 75378393245 is 54239387357.

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

It is not a de Polignac number, because 75378393245 - 2² = 75378393241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75378393241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396728291 + ... + 396728480.

It is an arithmetic number, because the mean of its divisors is an integer number (11901851580).

Almost surely, 2^75378393245 is an apocalyptic number.

It is an amenable number.

75378393245 is a deficient number, since it is larger than the sum of its proper divisors (19836419395).

75378393245 is a wasteful number, since it uses less digits than its factorization.

75378393245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793456795.

The product of its digits is 19051200, while the sum is 56.

The spelling of 75378393245 in words is "seventy-five billion, three hundred seventy-eight million, three hundred ninety-three thousand, two hundred forty-five".