61936936 has 16 divisors (see below), whose sum is σ = 116257140. Its totient is φ = 30935040.

The previous prime is 61936883. The next prime is 61936939. The reversal of 61936936 is 63963916.

It can be written as a sum of positive squares in 2 ways, for example, as 61936900 + 36 = 7870^2 + 6^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61936892 and 61936901.

It is not an unprimeable number, because it can be changed into a prime (61936939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4840 + ... + 12136.

Almost surely, 2^61936936 is an apocalyptic number.

It is an amenable number.

61936936 is a deficient number, since it is larger than the sum of its proper divisors (54320204).

61936936 is a wasteful number, since it uses less digits than its factorization.

61936936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8364 (or 8360 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 61936936 is about 7870.0022871661. The cubic root of 61936936 is about 395.6549216388.

Adding to 61936936 its product of digits (157464), we get a square (62094400 = 7880²).

It can be divided in two parts, 619369 and 36, that multiplied together give a square (22297284 = 4722²).

The spelling of 61936936 in words is "sixty-one million, nine hundred thirty-six thousand, nine hundred thirty-six".