61560036 has 36 divisors (see below), whose sum is σ = 158925312. Its totient is φ = 20082864.

The previous prime is 61560013. The next prime is 61560049. The reversal of 61560036 is 63006516.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 61559991 and 61560009.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16500 + ... + 19883.

It is an arithmetic number, because the mean of its divisors is an integer number (4414592).

Almost surely, 2^61560036 is an apocalyptic number.

It is an amenable number.

61560036 is an abundant number, since it is smaller than the sum of its proper divisors (97365276).

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

61560036 is a wasteful number, since it uses less digits than its factorization.

61560036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36440 (or 36435 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 61560036 is about 7846.0203925302. The cubic root of 61560036 is about 394.8507388834.

The spelling of 61560036 in words is "sixty-one million, five hundred sixty thousand, thirty-six".