75481263 has 48 divisors (see below), whose sum is σ = 129153024. Its totient is φ = 41878080.

The previous prime is 75481247. The next prime is 75481267. The reversal of 75481263 is 36218457.

It is not a de Polignac number, because 75481263 - 2⁴ = 75481247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75481267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286870 + ... + 287132.

It is an arithmetic number, because the mean of its divisors is an integer number (2690688).

Almost surely, 2^75481263 is an apocalyptic number.

75481263 is a deficient number, since it is larger than the sum of its proper divisors (53671761).

75481263 is a wasteful number, since it uses less digits than its factorization.

75481263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 513 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 75481263 is about 8687.9953383965. The cubic root of 75481263 is about 422.6164388523.

The spelling of 75481263 in words is "seventy-five million, four hundred eighty-one thousand, two hundred sixty-three".