66033374 has 16 divisors (see below), whose sum is σ = 108604800. Its totient is φ = 29862360.

The previous prime is 66033371. The next prime is 66033397. The reversal of 66033374 is 47333066.

It is a self number, because there is not a number n which added to its sum of digits gives 66033374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66033371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 11919.

It is an arithmetic number, because the mean of its divisors is an integer number (6787800).

Almost surely, 2^66033374 is an apocalyptic number.

66033374 is a deficient number, since it is larger than the sum of its proper divisors (42571426).

66033374 is a wasteful number, since it uses less digits than its factorization.

66033374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 66033374 is about 8126.0921727482. The cubic root of 66033374 is about 404.1921079296.

The spelling of 66033374 in words is "sixty-six million, thirty-three thousand, three hundred seventy-four".