61406927 has 4 divisors (see below), whose sum is σ = 61423176. Its totient is φ = 61390680.

The previous prime is 61406911. The next prime is 61406953. The reversal of 61406927 is 72960416.

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

It is a cyclic number.

It is not a de Polignac number, because 61406927 - 2⁴ = 61406911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61406627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848 + ... + 11114.

It is an arithmetic number, because the mean of its divisors is an integer number (15355794).

Almost surely, 2^61406927 is an apocalyptic number.

61406927 is a deficient number, since it is larger than the sum of its proper divisors (16249).

61406927 is a wasteful number, since it uses less digits than its factorization.

61406927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 61406927 is about 7836.2572060902. The cubic root of 61406927 is about 394.5231162056.

The spelling of 61406927 in words is "sixty-one million, four hundred six thousand, nine hundred twenty-seven".