61394274 has 20 divisors (see below), whose sum is σ = 137569014. Its totient is φ = 20464704.

The previous prime is 61394269. The next prime is 61394287. The reversal of 61394274 is 47249316.

61394274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42341049 + 19053225 = 6507^2 + 4365^2 .

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 9 ways as a sum of consecutive naturals, for example, 189327 + ... + 189650.

Almost surely, 2^61394274 is an apocalyptic number.

61394274 is an abundant number, since it is smaller than the sum of its proper divisors (76174740).

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

61394274 is a wasteful number, since it uses less digits than its factorization.

61394274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378991 (or 378982 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 61394274 is about 7835.4498275466. The cubic root of 61394274 is about 394.4960169616.

The spelling of 61394274 in words is "sixty-one million, three hundred ninety-four thousand, two hundred seventy-four".