75425757 has 8 divisors (see below), whose sum is σ = 109710240. Its totient is φ = 45712560.

The previous prime is 75425747. The next prime is 75425797. The reversal of 75425757 is 75752457.

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

It is not a de Polignac number, because 75425757 - 2⁷ = 75425629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75425747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142782 + ... + 1142847.

It is an arithmetic number, because the mean of its divisors is an integer number (13713780).

Almost surely, 2^75425757 is an apocalyptic number.

It is an amenable number.

75425757 is a deficient number, since it is larger than the sum of its proper divisors (34284483).

75425757 is a wasteful number, since it uses less digits than its factorization.

75425757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285643.

The product of its digits is 343000, while the sum is 42.

The square root of 75425757 is about 8684.8003431282. The cubic root of 75425757 is about 422.5128215242.

The spelling of 75425757 in words is "seventy-five million, four hundred twenty-five thousand, seven hundred fifty-seven".