66054762 has 12 divisors (see below), whose sum is σ = 143118690. Its totient is φ = 22018248.

The previous prime is 66054757. The next prime is 66054797. The reversal of 66054762 is 26745066.

66054762 is a `hidden beast` number, since 6 + 605 + 47 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 27973521 = 6171^2 + 5289^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1834837 + ... + 1834872.

Almost surely, 2^66054762 is an apocalyptic number.

66054762 is an abundant number, since it is smaller than the sum of its proper divisors (77063928).

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

66054762 is a wasteful number, since it uses less digits than its factorization.

66054762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669717 (or 3669714 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 66054762 is about 8127.4080739188. The cubic root of 66054762 is about 404.2357420654.

The spelling of 66054762 in words is "sixty-six million, fifty-four thousand, seven hundred sixty-two".