61086030 has 16 divisors (see below), whose sum is σ = 146606544. Its totient is φ = 16289600.

The previous prime is 61085989. The next prime is 61086037. The reversal of 61086030 is 3068016.

It is a super-2 number, since 2×61086030² = 7463006122321800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61086037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018071 + ... + 1018130.

It is an arithmetic number, because the mean of its divisors is an integer number (9162909).

Almost surely, 2^61086030 is an apocalyptic number.

61086030 is an abundant number, since it is smaller than the sum of its proper divisors (85520514).

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

61086030 is a wasteful number, since it uses less digits than its factorization.

61086030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036211.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 61086030 is about 7815.7552418176. The cubic root of 61086030 is about 393.8346897701.

The spelling of 61086030 in words is "sixty-one million, eighty-six thousand, thirty".