61413677 has 8 divisors (see below), whose sum is σ = 68418840. Its totient is φ = 54734400.

The previous prime is 61413661. The next prime is 61413683. The reversal of 61413677 is 77631416.

61413677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 401956 + 61011721 = 634^2 + 7811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61413677 - 2⁴ = 61413661 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 (61413637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81074 + ... + 81827.

It is an arithmetic number, because the mean of its divisors is an integer number (8552355).

Almost surely, 2^61413677 is an apocalyptic number.

It is an amenable number.

61413677 is a deficient number, since it is larger than the sum of its proper divisors (7005163).

61413677 is a wasteful number, since it uses less digits than its factorization.

61413677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162943.

The product of its digits is 21168, while the sum is 35.

The square root of 61413677 is about 7836.6878845594. The cubic root of 61413677 is about 394.5375713254.

The spelling of 61413677 in words is "sixty-one million, four hundred thirteen thousand, six hundred seventy-seven".