66741434 has 8 divisors (see below), whose sum is σ = 100469268. Its totient is φ = 33251680.

The previous prime is 66741413. The next prime is 66741511. The reversal of 66741434 is 43414766.

It can be written as a sum of positive squares in 2 ways, for example, as 64850809 + 1890625 = 8053^2 + 1375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66741394 and 66741403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58817 + ... + 59940.

Almost surely, 2^66741434 is an apocalyptic number.

66741434 is a deficient number, since it is larger than the sum of its proper divisors (33727834).

66741434 is a wasteful number, since it uses less digits than its factorization.

66741434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119040.

The product of its digits is 48384, while the sum is 35.

The square root of 66741434 is about 8169.5430716779. The cubic root of 66741434 is about 405.6316597474.

The spelling of 66741434 in words is "sixty-six million, seven hundred forty-one thousand, four hundred thirty-four".