75523906 has 8 divisors (see below), whose sum is σ = 113704704. Its totient is φ = 37622340.

The previous prime is 75523901. The next prime is 75523933. The reversal of 75523906 is 60932557.

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

It is a super-3 number, since 3×75523906³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (75523901) 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, 69130 + ... + 70213.

It is an arithmetic number, because the mean of its divisors is an integer number (14213088).

Almost surely, 2^75523906 is an apocalyptic number.

75523906 is a deficient number, since it is larger than the sum of its proper divisors (38180798).

75523906 is a wasteful number, since it uses less digits than its factorization.

75523906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139616.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 75523906 is about 8690.4491253329. The cubic root of 75523906 is about 422.6960093284.

The spelling of 75523906 in words is "seventy-five million, five hundred twenty-three thousand, nine hundred six".