75488457 has 8 divisors (see below), whose sum is σ = 109801440. Its totient is φ = 45750560.

The previous prime is 75488447. The next prime is 75488459.

75488457 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 75488457 - 2⁸ = 75488201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75488459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143732 + ... + 1143797.

It is an arithmetic number, because the mean of its divisors is an integer number (13725180).

Almost surely, 2^75488457 is an apocalyptic number.

It is an amenable number.

75488457 is a deficient number, since it is larger than the sum of its proper divisors (34312983).

75488457 is a wasteful number, since it uses less digits than its factorization.

75488457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287543.

The product of its digits is 1254400, while the sum is 48.

The square root of 75488457 is about 8688.4093480913. The cubic root of 75488457 is about 422.6298647276.

The spelling of 75488457 in words is "seventy-five million, four hundred eighty-eight thousand, four hundred fifty-seven".