61336590 has 32 divisors (see below), whose sum is σ = 168238080. Its totient is φ = 14019744.

The previous prime is 61336567. The next prime is 61336591. The reversal of 61336590 is 9563316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61336591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145830 + ... + 146249.

It is an arithmetic number, because the mean of its divisors is an integer number (5257440).

Almost surely, 2^61336590 is an apocalyptic number.

61336590 is an abundant number, since it is smaller than the sum of its proper divisors (106901490).

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

61336590 is a wasteful number, since it uses less digits than its factorization.

61336590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292096.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 61336590 is about 7831.7679996282. The cubic root of 61336590 is about 394.3724265058.

The spelling of 61336590 in words is "sixty-one million, three hundred thirty-six thousand, five hundred ninety".