75666834 has 24 divisors (see below), whose sum is σ = 165400092. Its totient is φ = 24998400.

The previous prime is 75666823. The next prime is 75666839. The reversal of 75666834 is 43866657.

It can be written as a sum of positive squares in 2 ways, for example, as 51194025 + 24472809 = 7155^2 + 4947^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75666834.

It is not an unprimeable number, because it can be changed into a prime (75666839) 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, 16567 + ... + 20634.

Almost surely, 2^75666834 is an apocalyptic number.

75666834 is an abundant number, since it is smaller than the sum of its proper divisors (89733258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75666834 is a wasteful number, since it uses less digits than its factorization.

75666834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37322 (or 37319 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 75666834 is about 8698.6685188022. The cubic root of 75666834 is about 422.9624901769.

It can be divided in two parts, 7566 and 6834, that added together give a square (14400 = 120²).

The spelling of 75666834 in words is "seventy-five million, six hundred sixty-six thousand, eight hundred thirty-four".