61444814 has 16 divisors (see below), whose sum is σ = 94859856. Its totient is φ = 29832000.

The previous prime is 61444813. The next prime is 61444819. The reversal of 61444814 is 41844416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61444813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16964 + ... + 20264.

It is an arithmetic number, because the mean of its divisors is an integer number (5928741).

Almost surely, 2^61444814 is an apocalyptic number.

61444814 is a deficient number, since it is larger than the sum of its proper divisors (33415042).

61444814 is a wasteful number, since it uses less digits than its factorization.

61444814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its digits is 12288, while the sum is 32.

The square root of 61444814 is about 7838.6742501523. The cubic root of 61444814 is about 394.6042374787.

The spelling of 61444814 in words is "sixty-one million, four hundred forty-four thousand, eight hundred fourteen".