61437882 has 32 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 18561920.

The previous prime is 61437869. The next prime is 61437917. The reversal of 61437882 is 28873416.

It is a super-2 number, since 2×61437882² = 7549226689291848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61437882.

It is an unprimeable number.

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, 24478 + ... + 26870.

It is an arithmetic number, because the mean of its divisors is an integer number (4201470).

Almost surely, 2^61437882 is an apocalyptic number.

61437882 is an abundant number, since it is smaller than the sum of its proper divisors (73009158).

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

61437882 is a wasteful number, since it uses less digits than its factorization.

61437882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798.

The product of its digits is 64512, while the sum is 39.

The square root of 61437882 is about 7838.2320710732. The cubic root of 61437882 is about 394.5893976071.

The spelling of 61437882 in words is "sixty-one million, four hundred thirty-seven thousand, eight hundred eighty-two".