75379923 has 8 divisors (see below), whose sum is σ = 111674000. Its totient is φ = 50253264.

The previous prime is 75379907. The next prime is 75379933. The reversal of 75379923 is 32997357.

75379923 is a `hidden beast` number, since 7 + 537 + 99 + 23 = 666.

It is not a de Polignac number, because 75379923 - 2⁴ = 75379907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75379933) 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, 1395898 + ... + 1395951.

It is an arithmetic number, because the mean of its divisors is an integer number (13959250).

Almost surely, 2^75379923 is an apocalyptic number.

75379923 is a deficient number, since it is larger than the sum of its proper divisors (36294077).

75379923 is a wasteful number, since it uses less digits than its factorization.

75379923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791858 (or 2791852 counting only the distinct ones).

The product of its digits is 357210, while the sum is 45.

The square root of 75379923 is about 8682.1611940807. The cubic root of 75379923 is about 422.4272213378.

The spelling of 75379923 in words is "seventy-five million, three hundred seventy-nine thousand, nine hundred twenty-three".