61802898 has 8 divisors (see below), whose sum is σ = 123605808. Its totient is φ = 20600964.

The previous prime is 61802869. The next prime is 61802903. The reversal of 61802898 is 89820816.

61802898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

61802898 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5150236 + ... + 5150247.

It is an arithmetic number, because the mean of its divisors is an integer number (15450726).

Almost surely, 2^61802898 is an apocalyptic number.

61802898 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.

61802898 is a wasteful number, since it uses less digits than its factorization.

61802898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300488.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 61802898 is about 7861.4819213683. The cubic root of 61802898 is about 395.3693026418.

The spelling of 61802898 in words is "sixty-one million, eight hundred two thousand, eight hundred ninety-eight".