75382913 has 8 divisors (see below), whose sum is σ = 81674208. Its totient is φ = 69297984.

The previous prime is 75382903. The next prime is 75382921. The reversal of 75382913 is 31928357.

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

It is not a de Polignac number, because 75382913 - 2¹⁶ = 75317377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75382903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50831 + ... + 52292.

It is an arithmetic number, because the mean of its divisors is an integer number (10209276).

Almost surely, 2^75382913 is an apocalyptic number.

It is an amenable number.

75382913 is a deficient number, since it is larger than the sum of its proper divisors (6291295).

75382913 is a wasteful number, since it uses less digits than its factorization.

75382913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103183.

The product of its digits is 45360, while the sum is 38.

The square root of 75382913 is about 8682.3333845228. Note that the first 4 decimals coincide. The cubic root of 75382913 is about 422.4328065592.

The spelling of 75382913 in words is "seventy-five million, three hundred eighty-two thousand, nine hundred thirteen".