75865061 has 4 divisors (see below), whose sum is σ = 75888300. Its totient is φ = 75841824.

The previous prime is 75865057. The next prime is 75865087. The reversal of 75865061 is 16056857.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16056857 = 17 ⋅944521.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 65302561 = 3250^2 + 8081^2 .

It is a cyclic number.

It is not a de Polignac number, because 75865061 - 2² = 75865057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75865021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5726 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (18972075).

Almost surely, 2^75865061 is an apocalyptic number.

It is an amenable number.

75865061 is a deficient number, since it is larger than the sum of its proper divisors (23239).

75865061 is a wasteful number, since it uses less digits than its factorization.

75865061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23238.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 75865061 is about 8710.0551663006. The cubic root of 75865061 is about 423.3315178930.

The spelling of 75865061 in words is "seventy-five million, eight hundred sixty-five thousand, sixty-one".