75649315 has 8 divisors (see below), whose sum is σ = 103747680. Its totient is φ = 51873792.

The previous prime is 75649309. The next prime is 75649363. The reversal of 75649315 is 51394657.

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 75649315 - 2³ = 75649307 is a prime.

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, 1080670 + ... + 1080739.

It is an arithmetic number, because the mean of its divisors is an integer number (12968460).

Almost surely, 2^75649315 is an apocalyptic number.

75649315 is a deficient number, since it is larger than the sum of its proper divisors (28098365).

75649315 is a wasteful number, since it uses less digits than its factorization.

75649315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161421.

The product of its digits is 113400, while the sum is 40.

The square root of 75649315 is about 8697.6614673141. The cubic root of 75649315 is about 422.9298450870.

The spelling of 75649315 in words is "seventy-five million, six hundred forty-nine thousand, three hundred fifteen".