61475617 has 8 divisors (see below), whose sum is σ = 71410112. Its totient is φ = 51829200.

The previous prime is 61475591. The next prime is 61475627. The reversal of 61475617 is 71657416.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61475617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61475627) 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 7 ways as a sum of consecutive naturals, for example, 71559 + ... + 72412.

It is an arithmetic number, because the mean of its divisors is an integer number (8926264).

Almost surely, 2^61475617 is an apocalyptic number.

It is an amenable number.

61475617 is a deficient number, since it is larger than the sum of its proper divisors (9934495).

61475617 is a wasteful number, since it uses less digits than its factorization.

61475617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144039.

The product of its digits is 35280, while the sum is 37.

The square root of 61475617 is about 7840.6388132601. The cubic root of 61475617 is about 394.6701663611.

The spelling of 61475617 in words is "sixty-one million, four hundred seventy-five thousand, six hundred seventeen".