75432985 has 16 divisors (see below), whose sum is σ = 94711680. Its totient is φ = 57566080.

The previous prime is 75432971. The next prime is 75432997. The reversal of 75432985 is 58923457.

It is not a de Polignac number, because 75432985 - 2⁹ = 75432473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59286 + ... + 60544.

It is an arithmetic number, because the mean of its divisors is an integer number (5919480).

Almost surely, 2^75432985 is an apocalyptic number.

It is an amenable number.

75432985 is a deficient number, since it is larger than the sum of its proper divisors (19278695).

75432985 is a wasteful number, since it uses less digits than its factorization.

75432985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its digits is 302400, while the sum is 43.

The square root of 75432985 is about 8685.2164624723. The cubic root of 75432985 is about 422.5263174671.

The spelling of 75432985 in words is "seventy-five million, four hundred thirty-two thousand, nine hundred eighty-five".