66247062 has 128 divisors (see below), whose sum is σ = 171859968. Its totient is φ = 16588800.

The previous prime is 66247033. The next prime is 66247067. The reversal of 66247062 is 26074266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66247067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 907458 + ... + 907530.

It is an arithmetic number, because the mean of its divisors is an integer number (1342656).

Almost surely, 2^66247062 is an apocalyptic number.

66247062 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 66247062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85929984).

66247062 is an abundant number, since it is smaller than the sum of its proper divisors (105612906).

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

66247062 is a wasteful number, since it uses less digits than its factorization.

66247062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 66247062 is about 8139.2298161435. The cubic root of 66247062 is about 404.6276351880.

The spelling of 66247062 in words is "sixty-six million, two hundred forty-seven thousand, sixty-two".