75632945 has 8 divisors (see below), whose sum is σ = 91474944. Its totient is φ = 60029424.

The previous prime is 75632933. The next prime is 75632971. The reversal of 75632945 is 54923657.

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 75632945 - 2⁴ = 75632929 is a prime.

It is a Duffinian 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, 58919 + ... + 60188.

It is an arithmetic number, because the mean of its divisors is an integer number (11434368).

Almost surely, 2^75632945 is an apocalyptic number.

It is an amenable number.

75632945 is a deficient number, since it is larger than the sum of its proper divisors (15841999).

75632945 is a wasteful number, since it uses less digits than its factorization.

75632945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119239.

The product of its digits is 226800, while the sum is 41.

The square root of 75632945 is about 8696.7203588479. The cubic root of 75632945 is about 422.8993365004.

The spelling of 75632945 in words is "seventy-five million, six hundred thirty-two thousand, nine hundred forty-five".