61612998 has 32 divisors (see below), whose sum is σ = 136152576. Its totient is φ = 18488448.

The previous prime is 61612997. The next prime is 61613011. The reversal of 61612998 is 89921616.

61612998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61612997) 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 15 ways as a sum of consecutive naturals, for example, 10786 + ... + 15477.

It is an arithmetic number, because the mean of its divisors is an integer number (4254768).

Almost surely, 2^61612998 is an apocalyptic number.

61612998 is an abundant number, since it is smaller than the sum of its proper divisors (74539578).

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

61612998 is a wasteful number, since it uses less digits than its factorization.

61612998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26308.

The product of its digits is 46656, while the sum is 42.

The square root of 61612998 is about 7849.3947537374. The cubic root of 61612998 is about 394.9639405207.

The spelling of 61612998 in words is "sixty-one million, six hundred twelve thousand, nine hundred ninety-eight".