61296436 has 12 divisors (see below), whose sum is σ = 108474660. Its totient is φ = 30303680.

The previous prime is 61296427. The next prime is 61296439. The reversal of 61296436 is 63469216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34152336 + 27144100 = 5844^2 + 5210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61296395 and 61296404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61296439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85735 + ... + 86446.

It is an arithmetic number, because the mean of its divisors is an integer number (9039555).

Almost surely, 2^61296436 is an apocalyptic number.

It is an amenable number.

61296436 is a deficient number, since it is larger than the sum of its proper divisors (47178224).

61296436 is a wasteful number, since it uses less digits than its factorization.

61296436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172274 (or 172272 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 61296436 is about 7829.2040463894. The cubic root of 61296436 is about 394.2863490803.

The spelling of 61296436 in words is "sixty-one million, two hundred ninety-six thousand, four hundred thirty-six".