75125775 has 24 divisors (see below), whose sum is σ = 124456320. Its totient is φ = 39987040.

The previous prime is 75125767. The next prime is 75125777. The reversal of 75125775 is 57752157.

It is not a de Polignac number, because 75125775 - 2³ = 75125767 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75125777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73216 + ... + 74234.

It is an arithmetic number, because the mean of its divisors is an integer number (5185680).

Almost surely, 2^75125775 is an apocalyptic number.

75125775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75125775 is a deficient number, since it is larger than the sum of its proper divisors (49330545).

75125775 is a wasteful number, since it uses less digits than its factorization.

75125775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2010 counting only the distinct ones).

The product of its digits is 85750, while the sum is 39.

The square root of 75125775 is about 8667.5126189698. The cubic root of 75125775 is about 421.9519404251.

The spelling of 75125775 in words is "seventy-five million, one hundred twenty-five thousand, seven hundred seventy-five".