75645982 has 8 divisors (see below), whose sum is σ = 116535816. Its totient is φ = 36800712.

The previous prime is 75645979. The next prime is 75645989. The reversal of 75645982 is 28954657.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75645989) 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, 511048 + ... + 511195.

It is an arithmetic number, because the mean of its divisors is an integer number (14566977).

Almost surely, 2^75645982 is an apocalyptic number.

75645982 is a deficient number, since it is larger than the sum of its proper divisors (40889834).

75645982 is a wasteful number, since it uses less digits than its factorization.

75645982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022282.

The product of its digits is 604800, while the sum is 46.

The square root of 75645982 is about 8697.4698619771. The cubic root of 75645982 is about 422.9236337689.

The spelling of 75645982 in words is "seventy-five million, six hundred forty-five thousand, nine hundred eighty-two".