61340590 has 16 divisors (see below), whose sum is σ = 116908272. Its totient is φ = 23092864.

The previous prime is 61340567. The next prime is 61340623. The reversal of 61340590 is 9504316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180244 + ... + 180583.

It is an arithmetic number, because the mean of its divisors is an integer number (7306767).

Almost surely, 2^61340590 is an apocalyptic number.

61340590 is a deficient number, since it is larger than the sum of its proper divisors (55567682).

61340590 is a wasteful number, since it uses less digits than its factorization.

61340590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360851.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 61340590 is about 7832.0233656444. The cubic root of 61340590 is about 394.3809991779.

The spelling of 61340590 in words is "sixty-one million, three hundred forty thousand, five hundred ninety".