61196647 has 4 divisors (see below), whose sum is σ = 61934040. Its totient is φ = 60459256.

The previous prime is 61196623. The next prime is 61196657. The reversal of 61196647 is 74669116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61196647 - 2¹¹ = 61194599 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61196657) 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, 368572 + ... + 368737.

It is an arithmetic number, because the mean of its divisors is an integer number (15483510).

Almost surely, 2^61196647 is an apocalyptic number.

61196647 is a deficient number, since it is larger than the sum of its proper divisors (737393).

61196647 is an equidigital number, since it uses as much as digits as its factorization.

61196647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737392.

The product of its digits is 54432, while the sum is 40.

The square root of 61196647 is about 7822.8285805072. The cubic root of 61196647 is about 394.0722702338.

The spelling of 61196647 in words is "sixty-one million, one hundred ninety-six thousand, six hundred forty-seven".