75344923 has 4 divisors (see below), whose sum is σ = 75844048. Its totient is φ = 74845800.

The previous prime is 75344903. The next prime is 75344953. The reversal of 75344923 is 32944357.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75344923 - 2⁹ = 75344411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75344903) 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, 249336 + ... + 249637.

It is an arithmetic number, because the mean of its divisors is an integer number (18961012).

Almost surely, 2^75344923 is an apocalyptic number.

75344923 is a deficient number, since it is larger than the sum of its proper divisors (499125).

75344923 is a wasteful number, since it uses less digits than its factorization.

75344923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499124.

The product of its digits is 90720, while the sum is 37.

The square root of 75344923 is about 8680.1453328847. The cubic root of 75344923 is about 422.3618315052.

It can be divided in two parts, 75344 and 923, that added together give a palindrome (76267).

The spelling of 75344923 in words is "seventy-five million, three hundred forty-four thousand, nine hundred twenty-three".