61761936 has 20 divisors (see below), whose sum is σ = 159551792. Its totient is φ = 20587296.

The previous prime is 61761881. The next prime is 61761943. The reversal of 61761936 is 63916716.

61761936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61761894 and 61761903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643306 + ... + 643401.

Almost surely, 2^61761936 is an apocalyptic number.

It is an amenable number.

61761936 is an abundant number, since it is smaller than the sum of its proper divisors (97789856).

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

61761936 is a wasteful number, since it uses less digits than its factorization.

61761936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286718 (or 1286712 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 61761936 is about 7858.8762555470. The cubic root of 61761936 is about 395.2819351279.

The spelling of 61761936 in words is "sixty-one million, seven hundred sixty-one thousand, nine hundred thirty-six".