61964148 has 24 divisors (see below), whose sum is σ = 146327328. Its totient is φ = 20405536.

The previous prime is 61964143. The next prime is 61964171. The reversal of 61964148 is 84146916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61964143) 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, 30111 + ... + 32102.

It is an arithmetic number, because the mean of its divisors is an integer number (6096972).

Almost surely, 2^61964148 is an apocalyptic number.

It is an amenable number.

61964148 is an abundant number, since it is smaller than the sum of its proper divisors (84363180).

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

61964148 is a wasteful number, since it uses less digits than its factorization.

61964148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62303 (or 62301 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 61964148 is about 7871.7309405238. The cubic root of 61964148 is about 395.7128568336.

The spelling of 61964148 in words is "sixty-one million, nine hundred sixty-four thousand, one hundred forty-eight".