61082910 has 216 divisors, whose sum is σ = 201937320. Its totient is φ = 13226976.

The previous prime is 61082897. The next prime is 61082911. The reversal of 61082910 is 1928016.

It is a super-2 number, since 2×61082910² = 7462243788136200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61082911) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3214881 + ... + 3214899.

It is an arithmetic number, because the mean of its divisors is an integer number (934895).

Almost surely, 2^61082910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61082910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100968660).

61082910 is an abundant number, since it is smaller than the sum of its proper divisors (140854410).

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

61082910 is an equidigital number, since it uses as much as digits as its factorization.

61082910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 61082910 is about 7815.5556424352. Note that the first 3 decimals coincide. The cubic root of 61082910 is about 393.8279845537.

The spelling of 61082910 in words is "sixty-one million, eighty-two thousand, nine hundred ten".