75378022 has 4 divisors (see below), whose sum is σ = 113067036. Its totient is φ = 37689010.

The previous prime is 75378001. The next prime is 75378029. The reversal of 75378022 is 22087357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22087357 = 29 ⋅761633.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75378029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18844504 + ... + 18844507.

It is an arithmetic number, because the mean of its divisors is an integer number (28266759).

Almost surely, 2^75378022 is an apocalyptic number.

75378022 is a deficient number, since it is larger than the sum of its proper divisors (37689014).

75378022 is a wasteful number, since it uses less digits than its factorization.

75378022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37689013.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 75378022 is about 8682.0517160404. The cubic root of 75378022 is about 422.4236702556.

The spelling of 75378022 in words is "seventy-five million, three hundred seventy-eight thousand, twenty-two".