61045736 has 8 divisors (see below), whose sum is σ = 114460770. Its totient is φ = 30522864.

The previous prime is 61045687. The next prime is 61045741. The reversal of 61045736 is 63754016.

It can be written as a sum of positive squares in only one way, i.e., 54316900 + 6728836 = 7370^2 + 2594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815351 + ... + 3815366.

Almost surely, 2^61045736 is an apocalyptic number.

It is an amenable number.

61045736 is a deficient number, since it is larger than the sum of its proper divisors (53415034).

61045736 is a wasteful number, since it uses less digits than its factorization.

61045736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630723 (or 7630719 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 61045736 is about 7813.1770746605. The cubic root of 61045736 is about 393.7480760467.

The spelling of 61045736 in words is "sixty-one million, forty-five thousand, seven hundred thirty-six".