75266066 has 16 divisors (see below), whose sum is σ = 117547224. Its totient is φ = 36111744.

The previous prime is 75266057. The next prime is 75266071. The reversal of 75266066 is 66066257.

It can be written as a sum of positive squares in 4 ways, for example, as 71149225 + 4116841 = 8435^2 + 2029^2 .

It is a super-2 number, since 2×75266066² = 11329961382232712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 12368.

Almost surely, 2^75266066 is an apocalyptic number.

75266066 is a deficient number, since it is larger than the sum of its proper divisors (42281158).

75266066 is a wasteful number, since it uses less digits than its factorization.

75266066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 75266066 is about 8675.6017658719. The cubic root of 75266066 is about 422.2144302297.

The spelling of 75266066 in words is "seventy-five million, two hundred sixty-six thousand, sixty-six".