75494763 has 24 divisors (see below), whose sum is σ = 116876448. Its totient is φ = 46835712.

The previous prime is 75494747. The next prime is 75494819. The reversal of 75494763 is 36749457.

75494763 is a `hidden beast` number, since 7 + 549 + 47 + 63 = 666.

It is not a de Polignac number, because 75494763 - 2⁴ = 75494747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75494723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2731 + ... + 12587.

It is an arithmetic number, because the mean of its divisors is an integer number (4869852).

Almost surely, 2^75494763 is an apocalyptic number.

75494763 is a deficient number, since it is larger than the sum of its proper divisors (41381685).

75494763 is a wasteful number, since it uses less digits than its factorization.

75494763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923 (or 9920 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 75494763 is about 8688.7722377791. The cubic root of 75494763 is about 422.6416326624.

The spelling of 75494763 in words is "seventy-five million, four hundred ninety-four thousand, seven hundred sixty-three".