66373060 has 72 divisors (see below), whose sum is σ = 153566280. Its totient is φ = 24081408.

The previous prime is 66373057. The next prime is 66373127. The reversal of 66373060 is 6037366.

It can be written as a sum of positive squares in 12 ways, for example, as 51811204 + 14561856 = 7198^2 + 3816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246606 + ... + 246874.

It is an arithmetic number, because the mean of its divisors is an integer number (2132865).

Almost surely, 2^66373060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66373060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76783140).

66373060 is an abundant number, since it is smaller than the sum of its proper divisors (87193220).

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

66373060 is a wasteful number, since it uses less digits than its factorization.

66373060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 66373060 is about 8146.9663065463. The cubic root of 66373060 is about 404.8839986834.

The spelling of 66373060 in words is "sixty-six million, three hundred seventy-three thousand, sixty".