61082390 has 16 divisors (see below), whose sum is σ = 110473200. Its totient is φ = 24316320.

The previous prime is 61082389. The next prime is 61082393. The reversal of 61082390 is 9328016.

It is a super-2 number, since 2×61082390² = 7462116736224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61082393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12365 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (6904575).

Almost surely, 2^61082390 is an apocalyptic number.

61082390 is a deficient number, since it is larger than the sum of its proper divisors (49390810).

61082390 is a wasteful number, since it uses less digits than its factorization.

61082390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29167.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 61082390 is about 7815.5223753758. The cubic root of 61082390 is about 393.8268669954.

The spelling of 61082390 in words is "sixty-one million, eighty-two thousand, three hundred ninety".