61135673 has 16 divisors (see below), whose sum is σ = 66232320. Its totient is φ = 56247696.

The previous prime is 61135663. The next prime is 61135681. The reversal of 61135673 is 37653116.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61135673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61135663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198986 + ... + 199292.

It is an arithmetic number, because the mean of its divisors is an integer number (4139520).

Almost surely, 2^61135673 is an apocalyptic number.

It is an amenable number.

61135673 is a deficient number, since it is larger than the sum of its proper divisors (5096647).

61135673 is a wasteful number, since it uses less digits than its factorization.

61135673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its digits is 11340, while the sum is 32.

The square root of 61135673 is about 7818.9304255761. The cubic root of 61135673 is about 393.9413472260.

Adding to 61135673 its reverse (37653116), we get a palindrome (98788789).

The spelling of 61135673 in words is "sixty-one million, one hundred thirty-five thousand, six hundred seventy-three".