61958698 has 8 divisors (see below), whose sum is σ = 93344580. Its totient is φ = 30843840.

The previous prime is 61958641. The next prime is 61958707. The reversal of 61958698 is 89685916.

61958698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51022449 + 10936249 = 7143^2 + 3307^2 .

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

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, 67183 + ... + 68098.

Almost surely, 2^61958698 is an apocalyptic number.

61958698 is a deficient number, since it is larger than the sum of its proper divisors (31385882).

61958698 is a wasteful number, since it uses less digits than its factorization.

61958698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135512.

The product of its digits is 933120, while the sum is 52.

The square root of 61958698 is about 7871.3847574617. The cubic root of 61958698 is about 395.7012549726.

The spelling of 61958698 in words is "sixty-one million, nine hundred fifty-eight thousand, six hundred ninety-eight".