75049481 has 8 divisors (see below), whose sum is σ = 83430144. Its totient is φ = 67041360.

The previous prime is 75049463. The next prime is 75049519. The reversal of 75049481 is 18494057.

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 75049481 - 2¹⁸ = 74787337 is a prime.

It is a super-2 number, since 2×75049481² = 11264849196738722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75049081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92711 + ... + 93516.

It is an arithmetic number, because the mean of its divisors is an integer number (10428768).

Almost surely, 2^75049481 is an apocalyptic number.

It is an amenable number.

75049481 is a deficient number, since it is larger than the sum of its proper divisors (8380663).

75049481 is a wasteful number, since it uses less digits than its factorization.

75049481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186271.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 75049481 is about 8663.1103536778. The cubic root of 75049481 is about 421.8090542445.

The spelling of 75049481 in words is "seventy-five million, forty-nine thousand, four hundred eighty-one".