61413712 has 20 divisors (see below), whose sum is σ = 119201076. Its totient is φ = 30652160.

The previous prime is 61413691. The next prime is 61413713. The reversal of 61413712 is 21731416.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 59351616 = 1436^2 + 7704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61413713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6762 + ... + 12982.

Almost surely, 2^61413712 is an apocalyptic number.

It is an amenable number.

61413712 is a deficient number, since it is larger than the sum of its proper divisors (57787364).

61413712 is a wasteful number, since it uses less digits than its factorization.

61413712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6840 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 61413712 is about 7836.6901176453. The cubic root of 61413712 is about 394.5376462752.

The spelling of 61413712 in words is "sixty-one million, four hundred thirteen thousand, seven hundred twelve".