61365790 has 16 divisors (see below), whose sum is σ = 110883168. Its totient is φ = 24451936.

The previous prime is 61365779. The next prime is 61365791. The reversal of 61365790 is 9756316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61365791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9037 + ... + 14296.

It is an arithmetic number, because the mean of its divisors is an integer number (6930198).

Almost surely, 2^61365790 is an apocalyptic number.

61365790 is a deficient number, since it is larger than the sum of its proper divisors (49517378).

61365790 is a wasteful number, since it uses less digits than its factorization.

61365790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23603.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 61365790 is about 7833.6319801226. The cubic root of 61365790 is about 394.4349984440.

The spelling of 61365790 in words is "sixty-one million, three hundred sixty-five thousand, seven hundred ninety".