75831716 has 6 divisors (see below), whose sum is σ = 132705510. Its totient is φ = 37915856.

The previous prime is 75831689. The next prime is 75831719. The reversal of 75831716 is 61713857.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 9897316 = 8120^2 + 3146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75831716.

It is not an unprimeable number, because it can be changed into a prime (75831719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9478961 + ... + 9478968.

It is an arithmetic number, because the mean of its divisors is an integer number (22117585).

Almost surely, 2^75831716 is an apocalyptic number.

It is an amenable number.

75831716 is a deficient number, since it is larger than the sum of its proper divisors (56873794).

75831716 is a wasteful number, since it uses less digits than its factorization.

75831716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957933 (or 18957931 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 75831716 is about 8708.1407889400. The cubic root of 75831716 is about 423.2694864479.

The spelling of 75831716 in words is "seventy-five million, eight hundred thirty-one thousand, seven hundred sixteen".