75782116 has 6 divisors (see below), whose sum is σ = 132618710. Its totient is φ = 37891056.

The previous prime is 75782101. The next prime is 75782117. The reversal of 75782116 is 61128757.

It can be written as a sum of positive squares in only one way, i.e., 75759616 + 22500 = 8704^2 + 150^2 .

It is not an unprimeable number, because it can be changed into a prime (75782117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9472761 + ... + 9472768.

Almost surely, 2^75782116 is an apocalyptic number.

It is an amenable number.

75782116 is a deficient number, since it is larger than the sum of its proper divisors (56836594).

75782116 is a wasteful number, since it uses less digits than its factorization.

75782116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18945533 (or 18945531 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 75782116 is about 8705.2924132392. The cubic root of 75782116 is about 423.1771823014.

The spelling of 75782116 in words is "seventy-five million, seven hundred eighty-two thousand, one hundred sixteen".