66314742 has 16 divisors (see below), whose sum is σ = 142831920. Its totient is φ = 20404512.

The previous prime is 66314741. The next prime is 66314771. The reversal of 66314742 is 24741366.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66314741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425017 + ... + 425172.

It is an arithmetic number, because the mean of its divisors is an integer number (8926995).

Almost surely, 2^66314742 is an apocalyptic number.

66314742 is an abundant number, since it is smaller than the sum of its proper divisors (76517178).

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

66314742 is a wasteful number, since it uses less digits than its factorization.

66314742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850207.

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

The square root of 66314742 is about 8143.3863963341. The cubic root of 66314742 is about 404.7653815623.

The spelling of 66314742 in words is "sixty-six million, three hundred fourteen thousand, seven hundred forty-two".