66703374 has 24 divisors (see below), whose sum is σ = 144677520. Its totient is φ = 22210848.

The previous prime is 66703369. The next prime is 66703379. The reversal of 66703374 is 47330766.

It is an interprime number because it is at equal distance from previous prime (66703369) and next prime (66703379).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66703379) 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, 26874 + ... + 29250.

It is an arithmetic number, because the mean of its divisors is an integer number (6028230).

Almost surely, 2^66703374 is an apocalyptic number.

66703374 is an abundant number, since it is smaller than the sum of its proper divisors (77974146).

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

66703374 is a wasteful number, since it uses less digits than its factorization.

66703374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 66703374 is about 8167.2133558516. The cubic root of 66703374 is about 405.5545398555.

The spelling of 66703374 in words is "sixty-six million, seven hundred three thousand, three hundred seventy-four".