61326036 has 18 divisors (see below), whose sum is σ = 155018682. Its totient is φ = 20442000.

The previous prime is 61325993. The next prime is 61326043. The reversal of 61326036 is 63062316.

It can be written as a sum of positive squares in only one way, i.e., 58064400 + 3261636 = 7620^2 + 1806^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851715 + ... + 851786.

It is an arithmetic number, because the mean of its divisors is an integer number (8612149).

Almost surely, 2^61326036 is an apocalyptic number.

It is an amenable number.

61326036 is an abundant number, since it is smaller than the sum of its proper divisors (93692646).

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

61326036 is a wasteful number, since it uses less digits than its factorization.

61326036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703511 (or 1703506 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 61326036 is about 7831.0941764226. The cubic root of 61326036 is about 394.3498057214.

The spelling of 61326036 in words is "sixty-one million, three hundred twenty-six thousand, thirty-six".