61347836 has 12 divisors (see below), whose sum is σ = 117118680. Its totient is φ = 27885360.

The previous prime is 61347833. The next prime is 61347851. The reversal of 61347836 is 63874316.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61347836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61347833) 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, 697091 + ... + 697178.

It is an arithmetic number, because the mean of its divisors is an integer number (9759890).

Almost surely, 2^61347836 is an apocalyptic number.

It is an amenable number.

61347836 is a deficient number, since it is larger than the sum of its proper divisors (55770844).

61347836 is a wasteful number, since it uses less digits than its factorization.

61347836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394284 (or 1394282 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 61347836 is about 7832.4859399810. The cubic root of 61347836 is about 394.3965276243.

The spelling of 61347836 in words is "sixty-one million, three hundred forty-seven thousand, eight hundred thirty-six".