75763947 has 12 divisors (see below), whose sum is σ = 117511656. Its totient is φ = 43293600.

The previous prime is 75763939. The next prime is 75763949. The reversal of 75763947 is 74936757.

It is not a de Polignac number, because 75763947 - 2³ = 75763939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75763896 and 75763905.

It is not an unprimeable number, because it can be changed into a prime (75763949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257554 + ... + 257847.

It is an arithmetic number, because the mean of its divisors is an integer number (9792638).

Almost surely, 2^75763947 is an apocalyptic number.

75763947 is a deficient number, since it is larger than the sum of its proper divisors (41747709).

75763947 is a wasteful number, since it uses less digits than its factorization.

75763947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515418 (or 515411 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 48.

The square root of 75763947 is about 8704.2487901025. The cubic root of 75763947 is about 423.1433602460.

The spelling of 75763947 in words is "seventy-five million, seven hundred sixty-three thousand, nine hundred forty-seven".