66094392 has 128 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 17072640.

The previous prime is 66094373. The next prime is 66094403. The reversal of 66094392 is 29349066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 66094392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115467 + ... + 116037.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^66094392 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 66094392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

66094392 is an abundant number, since it is smaller than the sum of its proper divisors (141472968).

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

66094392 is a wasteful number, since it uses less digits than its factorization.

66094392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 66094392 is about 8129.8457549944. The cubic root of 66094392 is about 404.3165672237.

The spelling of 66094392 in words is "sixty-six million, ninety-four thousand, three hundred ninety-two".