61990962 has 48 divisors (see below), whose sum is σ = 137766720. Its totient is φ = 18580320.

The previous prime is 61990961. The next prime is 61990967. The reversal of 61990962 is 26909916.

It is a happy number.

61990962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61990961) 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 23 ways as a sum of consecutive naturals, for example, 74364 + ... + 75192.

It is an arithmetic number, because the mean of its divisors is an integer number (2870140).

Almost surely, 2^61990962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61990962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68883360).

61990962 is an abundant number, since it is smaller than the sum of its proper divisors (75775758).

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

61990962 is a wasteful number, since it uses less digits than its factorization.

61990962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 61990962 is about 7873.4339395209. The cubic root of 61990962 is about 395.7699280849.

The spelling of 61990962 in words is "sixty-one million, nine hundred ninety thousand, nine hundred sixty-two".