61440614 has 4 divisors (see below), whose sum is σ = 92160924. Its totient is φ = 30720306.

The previous prime is 61440583. The next prime is 61440629. The reversal of 61440614 is 41604416.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15360152 + ... + 15360155.

It is an arithmetic number, because the mean of its divisors is an integer number (23040231).

Almost surely, 2^61440614 is an apocalyptic number.

61440614 is a deficient number, since it is larger than the sum of its proper divisors (30720310).

61440614 is a wasteful number, since it uses less digits than its factorization.

61440614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30720309.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 61440614 is about 7838.4063431287. The cubic root of 61440614 is about 394.5952463453.

The spelling of 61440614 in words is "sixty-one million, four hundred forty thousand, six hundred fourteen".