66063792 has 40 divisors (see below), whose sum is σ = 174832560. Its totient is φ = 21483520.

The previous prime is 66063787. The next prime is 66063799. The reversal of 66063792 is 29736066.

It is a super-2 number, since 2×66063792² = 8728849226838528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66063792.

It is not an unprimeable number, because it can be changed into a prime (66063799) 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, 14817 + ... + 18752.

It is an arithmetic number, because the mean of its divisors is an integer number (4370814).

Almost surely, 2^66063792 is an apocalyptic number.

It is an amenable number.

66063792 is an abundant number, since it is smaller than the sum of its proper divisors (108768768).

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

66063792 is a wasteful number, since it uses less digits than its factorization.

66063792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33621 (or 33615 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 66063792 is about 8127.9635825956. The cubic root of 66063792 is about 404.2541615420.

The spelling of 66063792 in words is "sixty-six million, sixty-three thousand, seven hundred ninety-two".