61340338 has 4 divisors (see below), whose sum is σ = 92010510. Its totient is φ = 30670168.

The previous prime is 61340329. The next prime is 61340359. The reversal of 61340338 is 83304316.

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., 60326289 + 1014049 = 7767^2 + 1007^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15335083 + ... + 15335086.

Almost surely, 2^61340338 is an apocalyptic number.

61340338 is a deficient number, since it is larger than the sum of its proper divisors (30670172).

61340338 is a wasteful number, since it uses less digits than its factorization.

61340338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30670171.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 61340338 is about 7832.0072778311. The cubic root of 61340338 is about 394.3804591105.

The spelling of 61340338 in words is "sixty-one million, three hundred forty thousand, three hundred thirty-eight".