61876590 has 16 divisors (see below), whose sum is σ = 148503888. Its totient is φ = 16500416.

The previous prime is 61876523. The next prime is 61876621. The reversal of 61876590 is 9567816.

61876590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1031247 + ... + 1031306.

It is an arithmetic number, because the mean of its divisors is an integer number (9281493).

Almost surely, 2^61876590 is an apocalyptic number.

61876590 is an abundant number, since it is smaller than the sum of its proper divisors (86627298).

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

61876590 is a wasteful number, since it uses less digits than its factorization.

61876590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062563.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 61876590 is about 7866.1674276613. The cubic root of 61876590 is about 395.5263825584.

The spelling of 61876590 in words is "sixty-one million, eight hundred seventy-six thousand, five hundred ninety".