61963764 has 24 divisors (see below), whose sum is σ = 144805920. Its totient is φ = 20622624.

The previous prime is 61963763. The next prime is 61963777. The reversal of 61963764 is 46736916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61963763) 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 7 ways as a sum of consecutive naturals, for example, 4867 + ... + 12149.

It is an arithmetic number, because the mean of its divisors is an integer number (6033580).

Almost surely, 2^61963764 is an apocalyptic number.

It is an amenable number.

61963764 is an abundant number, since it is smaller than the sum of its proper divisors (82842156).

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

61963764 is a wasteful number, since it uses less digits than its factorization.

61963764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7999 (or 7997 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 61963764 is about 7871.7065494085. The cubic root of 61963764 is about 395.7120394036.

The spelling of 61963764 in words is "sixty-one million, nine hundred sixty-three thousand, seven hundred sixty-four".