61243064 has 8 divisors (see below), whose sum is σ = 114830760. Its totient is φ = 30621528.

The previous prime is 61243057. The next prime is 61243081. The reversal of 61243064 is 46034216.

It is a tau number, because it is divible by the number of its divisors (8).

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, 3827684 + ... + 3827699.

It is an arithmetic number, because the mean of its divisors is an integer number (14353845).

Almost surely, 2^61243064 is an apocalyptic number.

It is an amenable number.

61243064 is a deficient number, since it is larger than the sum of its proper divisors (53587696).

61243064 is a wasteful number, since it uses less digits than its factorization.

61243064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655389 (or 7655385 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61243064 is about 7825.7947839181. The cubic root of 61243064 is about 394.1718782502.

The spelling of 61243064 in words is "sixty-one million, two hundred forty-three thousand, sixty-four".