61419536 has 20 divisors (see below), whose sum is σ = 119185452. Its totient is φ = 30662016.

The previous prime is 61419509. The next prime is 61419557. The reversal of 61419536 is 63591416.

It can be written as a sum of positive squares in 2 ways, for example, as 57093136 + 4326400 = 7556^2 + 2080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61419496 and 61419505.

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, 9110 + ... + 14346.

Almost surely, 2^61419536 is an apocalyptic number.

It is an amenable number.

61419536 is a deficient number, since it is larger than the sum of its proper divisors (57765916).

61419536 is a wasteful number, since it uses less digits than its factorization.

61419536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5972 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 61419536 is about 7837.0616942831. The cubic root of 61419536 is about 394.5501175108.

The spelling of 61419536 in words is "sixty-one million, four hundred nineteen thousand, five hundred thirty-six".