61766958 has 32 divisors (see below), whose sum is σ = 135843840. Its totient is φ = 18567360.

The previous prime is 61766879. The next prime is 61766959. The reversal of 61766958 is 85966716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61766959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4698 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (4245120).

Almost surely, 2^61766958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61766958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67921920).

61766958 is an abundant number, since it is smaller than the sum of its proper divisors (74076882).

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

61766958 is a wasteful number, since it uses less digits than its factorization.

61766958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512.

The product of its digits is 544320, while the sum is 48.

The square root of 61766958 is about 7859.1957603816. The cubic root of 61766958 is about 395.2926485878.

The spelling of 61766958 in words is "sixty-one million, seven hundred sixty-six thousand, nine hundred fifty-eight".