75700087 has 4 divisors (see below), whose sum is σ = 75770440. Its totient is φ = 75629736.

The previous prime is 75700057. The next prime is 75700103. The reversal of 75700087 is 78000757.

It is a happy number.

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 75700087 - 2⁷ = 75699959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75700057) 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, 33537 + ... + 35722.

It is an arithmetic number, because the mean of its divisors is an integer number (18942610).

Almost surely, 2^75700087 is an apocalyptic number.

75700087 is a deficient number, since it is larger than the sum of its proper divisors (70353).

75700087 is a wasteful number, since it uses less digits than its factorization.

75700087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70352.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 75700087 is about 8700.5796933308. The cubic root of 75700087 is about 423.0244403124.

The spelling of 75700087 in words is "seventy-five million, seven hundred thousand, eighty-seven".