61330858 has 16 divisors (see below), whose sum is σ = 94874976. Its totient is φ = 29720080.

The previous prime is 61330837. The next prime is 61330861. The reversal of 61330858 is 85803316.

It is a happy number.

It is a super-2 number, since 2×61330858² = 7522948286032328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5313 + ... + 12283.

It is an arithmetic number, because the mean of its divisors is an integer number (5929686).

Almost surely, 2^61330858 is an apocalyptic number.

61330858 is a deficient number, since it is larger than the sum of its proper divisors (33544118).

61330858 is a wasteful number, since it uses less digits than its factorization.

61330858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 61330858 is about 7831.4020456110. The cubic root of 61330858 is about 394.3601412170.

The spelling of 61330858 in words is "sixty-one million, three hundred thirty thousand, eight hundred fifty-eight".