75082645 has 8 divisors (see below), whose sum is σ = 98290080. Its totient is φ = 54605520.

The previous prime is 75082639. The next prime is 75082663. The reversal of 75082645 is 54628057.

It is a happy number.

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

It is not a de Polignac number, because 75082645 - 2¹¹ = 75080597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682515 + ... + 682624.

It is an arithmetic number, because the mean of its divisors is an integer number (12286260).

Almost surely, 2^75082645 is an apocalyptic number.

It is an amenable number.

75082645 is a deficient number, since it is larger than the sum of its proper divisors (23207435).

75082645 is a wasteful number, since it uses less digits than its factorization.

75082645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365155.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 75082645 is about 8665.0242353960. The cubic root of 75082645 is about 421.8711768835.

It can be divided in two parts, 7508 and 2645, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 75082645 in words is "seventy-five million, eighty-two thousand, six hundred forty-five".