61234636 has 6 divisors (see below), whose sum is σ = 107160620. Its totient is φ = 30617316.

The previous prime is 61234609. The next prime is 61234637. The reversal of 61234636 is 63643216.

It is a junction number, because it is equal to n+sod(n) for n = 61234598 and 61234607.

It is not an unprimeable number, because it can be changed into a prime (61234637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7654326 + ... + 7654333.

Almost surely, 2^61234636 is an apocalyptic number.

It is an amenable number.

61234636 is a deficient number, since it is larger than the sum of its proper divisors (45925984).

61234636 is a wasteful number, since it uses less digits than its factorization.

61234636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15308663 (or 15308661 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 61234636 is about 7825.2562897326. The cubic root of 61234636 is about 394.1537960230.

The spelling of 61234636 in words is "sixty-one million, two hundred thirty-four thousand, six hundred thirty-six".