66892914 has 36 divisors (see below), whose sum is σ = 159313518. Its totient is φ = 20269920.

The previous prime is 66892913. The next prime is 66892921. The reversal of 66892914 is 41929866.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43996689 + 22896225 = 6633^2 + 4785^2 .

It is a super-2 number, since 2×66892914² = 8949323886822792, 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 66892914.

It is not an unprimeable number, because it can be changed into a prime (66892913) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13179 + ... + 17534.

Almost surely, 2^66892914 is an apocalyptic number.

66892914 is an abundant number, since it is smaller than the sum of its proper divisors (92420604).

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

66892914 is a wasteful number, since it uses less digits than its factorization.

66892914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30743 (or 30729 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 66892914 is about 8178.8088374775. The cubic root of 66892914 is about 405.9383091170.

The spelling of 66892914 in words is "sixty-six million, eight hundred ninety-two thousand, nine hundred fourteen".