61066634 has 8 divisors (see below), whose sum is σ = 94758660. Its totient is φ = 29480416.

The previous prime is 61066619. The next prime is 61066637. The reversal of 61066634 is 43666016.

It can be written as a sum of positive squares in 2 ways, for example, as 60016009 + 1050625 = 7747^2 + 1025^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 61066634.

It is not an unprimeable number, because it can be changed into a prime (61066637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526379 + ... + 526494.

Almost surely, 2^61066634 is an apocalyptic number.

61066634 is a deficient number, since it is larger than the sum of its proper divisors (33692026).

61066634 is a wasteful number, since it uses less digits than its factorization.

61066634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052904.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 61066634 is about 7814.5143163219. The cubic root of 61066634 is about 393.7930019719.

The spelling of 61066634 in words is "sixty-one million, sixty-six thousand, six hundred thirty-four".