66574062 has 80 divisors (see below), whose sum is σ = 160997760. Its totient is φ = 20493648.

The previous prime is 66574061. The next prime is 66574093. The reversal of 66574062 is 26047566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66574061) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132103 + ... + 132605.

It is an arithmetic number, because the mean of its divisors is an integer number (2012472).

Almost surely, 2^66574062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66574062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80498880).

66574062 is an abundant number, since it is smaller than the sum of its proper divisors (94423698).

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

66574062 is a wasteful number, since it uses less digits than its factorization.

66574062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 66574062 is about 8159.2929840765. The cubic root of 66574062 is about 405.2922992771.

The spelling of 66574062 in words is "sixty-six million, five hundred seventy-four thousand, sixty-two".