61604794 has 4 divisors (see below), whose sum is σ = 92407194. Its totient is φ = 30802396.

The previous prime is 61604789. The next prime is 61604801. The reversal of 61604794 is 49740616.

61604794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35462025 + 26142769 = 5955^2 + 5113^2 .

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 as a sum of consecutive naturals, namely, 15401197 + ... + 15401200.

Almost surely, 2^61604794 is an apocalyptic number.

61604794 is a deficient number, since it is larger than the sum of its proper divisors (30802400).

61604794 is a wasteful number, since it uses less digits than its factorization.

61604794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30802399.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 61604794 is about 7848.8721482771. The cubic root of 61604794 is about 394.9464094363.

The spelling of 61604794 in words is "sixty-one million, six hundred four thousand, seven hundred ninety-four".