61013672 has 16 divisors (see below), whose sum is σ = 115414740. Its totient is φ = 30236416.

The previous prime is 61013657. The next prime is 61013681. The reversal of 61013672 is 27631016.

It can be written as a sum of positive squares in 2 ways, for example, as 60621796 + 391876 = 7786^2 + 626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32843 + ... + 34650.

Almost surely, 2^61013672 is an apocalyptic number.

It is an amenable number.

61013672 is a deficient number, since it is larger than the sum of its proper divisors (54401068).

61013672 is a wasteful number, since it uses less digits than its factorization.

61013672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67612 (or 67608 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 61013672 is about 7811.1248869801. The cubic root of 61013672 is about 393.6791258343.

Adding to 61013672 its reverse (27631016), we get a palindrome (88644688).

The spelling of 61013672 in words is "sixty-one million, thirteen thousand, six hundred seventy-two".