75378333 has 4 divisors (see below), whose sum is σ = 100504448. Its totient is φ = 50252220.

The previous prime is 75378311. The next prime is 75378353. The reversal of 75378333 is 33387357.

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.

It is not a de Polignac number, because 75378333 - 2⁸ = 75378077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75378291 and 75378300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75378353) 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, 12563053 + ... + 12563058.

It is an arithmetic number, because the mean of its divisors is an integer number (25126112).

Almost surely, 2^75378333 is an apocalyptic number.

It is an amenable number.

75378333 is a deficient number, since it is larger than the sum of its proper divisors (25126115).

75378333 is a wasteful number, since it uses less digits than its factorization.

75378333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25126114.

The product of its digits is 158760, while the sum is 39.

The square root of 75378333 is about 8682.0696265349. The cubic root of 75378333 is about 422.4242512100.

The spelling of 75378333 in words is "seventy-five million, three hundred seventy-eight thousand, three hundred thirty-three".