61436634 has 32 divisors (see below), whose sum is σ = 146534400. Its totient is φ = 16789872.

The previous prime is 61436629. The next prime is 61436653. The reversal of 61436634 is 43663416.

It is a junction number, because it is equal to n+sod(n) for n = 61436595 and 61436604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30834 + ... + 32765.

It is an arithmetic number, because the mean of its divisors is an integer number (4579200).

Almost surely, 2^61436634 is an apocalyptic number.

61436634 is an abundant number, since it is smaller than the sum of its proper divisors (85097766).

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

61436634 is a wasteful number, since it uses less digits than its factorization.

61436634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63634.

The product of its digits is 31104, while the sum is 33.

The square root of 61436634 is about 7838.1524608801. The cubic root of 61436634 is about 394.5867257979.

The spelling of 61436634 in words is "sixty-one million, four hundred thirty-six thousand, six hundred thirty-four".