61271336 has 16 divisors (see below), whose sum is σ = 131295840. Its totient is φ = 26259120.

The previous prime is 61271321. The next prime is 61271341. The reversal of 61271336 is 63317216.

It is a junction number, because it is equal to n+sod(n) for n = 61271299 and 61271308.

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, 547010 + ... + 547121.

It is an arithmetic number, because the mean of its divisors is an integer number (8205990).

Almost surely, 2^61271336 is an apocalyptic number.

It is an amenable number.

61271336 is an abundant number, since it is smaller than the sum of its proper divisors (70024504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61271336 is a wasteful number, since it uses less digits than its factorization.

61271336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094144 (or 1094140 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 61271336 is about 7827.6009096019. The cubic root of 61271336 is about 394.2325235555.

The spelling of 61271336 in words is "sixty-one million, two hundred seventy-one thousand, three hundred thirty-six".