61882638 has 8 divisors (see below), whose sum is σ = 123765288. Its totient is φ = 20627544.

The previous prime is 61882573. The next prime is 61882651. The reversal of 61882638 is 83628816.

It is a sphenic number, since it is the product of 3 distinct primes.

61882638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 61882638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5156881 + ... + 5156892.

It is an arithmetic number, because the mean of its divisors is an integer number (15470661).

Almost surely, 2^61882638 is an apocalyptic number.

61882638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61882638 is a wasteful number, since it uses less digits than its factorization.

61882638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10313778.

The product of its digits is 110592, while the sum is 42.

The square root of 61882638 is about 7866.5518494446. The cubic root of 61882638 is about 395.5392687761.

The spelling of 61882638 in words is "sixty-one million, eight hundred eighty-two thousand, six hundred thirty-eight".