61793290 has 16 divisors (see below), whose sum is σ = 119784168. Its totient is φ = 22815936.

The previous prime is 61793269. The next prime is 61793311. The reversal of 61793290 is 9239716.

61793290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61793269) and next prime (61793311).

It can be written as a sum of positive squares in 4 ways, for example, as 54508689 + 7284601 = 7383^2 + 2699^2 .

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, 237537 + ... + 237796.

Almost surely, 2^61793290 is an apocalyptic number.

61793290 is a deficient number, since it is larger than the sum of its proper divisors (57990878).

61793290 is a wasteful number, since it uses less digits than its factorization.

61793290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475353.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 61793290 is about 7860.8708169006. The cubic root of 61793290 is about 395.3488132837.

The spelling of 61793290 in words is "sixty-one million, seven hundred ninety-three thousand, two hundred ninety".