75867975 has 24 divisors (see below), whose sum is σ = 139373520. Its totient is φ = 40462560.

The previous prime is 75867971. The next prime is 75867983. The reversal of 75867975 is 57976857.

It is not a de Polignac number, because 75867975 - 2² = 75867971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75867971) 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, 55524 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (5807230).

Almost surely, 2^75867975 is an apocalyptic number.

75867975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75867975 is a deficient number, since it is larger than the sum of its proper divisors (63505545).

75867975 is a wasteful number, since it uses less digits than its factorization.

75867975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112416 (or 112405 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 54.

The square root of 75867975 is about 8710.2224426245. Note that the first 3 decimals coincide. The cubic root of 75867975 is about 423.3369379210.

The spelling of 75867975 in words is "seventy-five million, eight hundred sixty-seven thousand, nine hundred seventy-five".