75486481 has 4 divisors (see below), whose sum is σ = 86270272. Its totient is φ = 64702692.

The previous prime is 75486479. The next prime is 75486503. The reversal of 75486481 is 18468457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75486481 - 2¹ = 75486479 is a prime.

It is a super-2 number, since 2×75486481² = 11396417627526722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75486451) 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, 5391885 + ... + 5391898.

It is an arithmetic number, because the mean of its divisors is an integer number (21567568).

Almost surely, 2^75486481 is an apocalyptic number.

It is an amenable number.

75486481 is a deficient number, since it is larger than the sum of its proper divisors (10783791).

75486481 is a wasteful number, since it uses less digits than its factorization.

75486481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783790.

The product of its digits is 215040, while the sum is 43.

The square root of 75486481 is about 8688.2956326313. The cubic root of 75486481 is about 422.6261770826.

The spelling of 75486481 in words is "seventy-five million, four hundred eighty-six thousand, four hundred eighty-one".