61958936 has 32 divisors (see below), whose sum is σ = 125433840. Its totient is φ = 28522368.

The previous prime is 61958933. The next prime is 61958971. The reversal of 61958936 is 63985916.

61958936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61958933) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78335 + ... + 79121.

Almost surely, 2^61958936 is an apocalyptic number.

It is an amenable number.

61958936 is an abundant number, since it is smaller than the sum of its proper divisors (63474904).

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

61958936 is a wasteful number, since it uses less digits than its factorization.

61958936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1559 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 61958936 is about 7871.3998754986. The cubic root of 61958936 is about 395.7017616369.

The spelling of 61958936 in words is "sixty-one million, nine hundred fifty-eight thousand, nine hundred thirty-six".