75577001 has 4 divisors (see below), whose sum is σ = 75618900. Its totient is φ = 75535104.

The previous prime is 75576979. The next prime is 75577013. The reversal of 75577001 is 10077557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10077557 = 7 ⋅1439651.

It can be written as a sum of positive squares in 2 ways, for example, as 63186601 + 12390400 = 7949^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 75577001 - 2²⁶ = 8468137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75577031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18116 + ... + 21893.

It is an arithmetic number, because the mean of its divisors is an integer number (18904725).

Almost surely, 2^75577001 is an apocalyptic number.

It is an amenable number.

75577001 is a deficient number, since it is larger than the sum of its proper divisors (41899).

75577001 is a wasteful number, since it uses less digits than its factorization.

75577001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41898.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 75577001 is about 8693.5033789606. The cubic root of 75577001 is about 422.7950410503.

The spelling of 75577001 in words is "seventy-five million, five hundred seventy-seven thousand, one".