61909114 has 8 divisors (see below), whose sum is σ = 92986740. Its totient is φ = 30913536.

The previous prime is 61909109. The next prime is 61909117. The reversal of 61909114 is 41190916.

61909114 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 2 ways, for example, as 60575089 + 1334025 = 7783^2 + 1155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61909117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18589 + ... + 21664.

Almost surely, 2^61909114 is an apocalyptic number.

61909114 is a deficient number, since it is larger than the sum of its proper divisors (31077626).

61909114 is a wasteful number, since it uses less digits than its factorization.

61909114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41024.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 61909114 is about 7868.2344906593. The cubic root of 61909114 is about 395.5956701884.

The spelling of 61909114 in words is "sixty-one million, nine hundred nine thousand, one hundred fourteen".