66760422 has 32 divisors (see below), whose sum is σ = 138799104. Its totient is φ = 21384000.

The previous prime is 66760409. The next prime is 66760439. The reversal of 66760422 is 22406766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26898 + ... + 29274.

It is an arithmetic number, because the mean of its divisors is an integer number (4337472).

Almost surely, 2^66760422 is an apocalyptic number.

66760422 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66760422 is an abundant number, since it is smaller than the sum of its proper divisors (72038682).

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

66760422 is a wasteful number, since it uses less digits than its factorization.

66760422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

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

The square root of 66760422 is about 8170.7051103317. The cubic root of 66760422 is about 405.6701236281.

The spelling of 66760422 in words is "sixty-six million, seven hundred sixty thousand, four hundred twenty-two".