61267798 has 8 divisors (see below), whose sum is σ = 91935792. Its totient is φ = 30622536.

The previous prime is 61267793. The next prime is 61267831. The reversal of 61267798 is 89776216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61267793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5311 + ... + 12277.

It is an arithmetic number, because the mean of its divisors is an integer number (11491974).

Almost surely, 2^61267798 is an apocalyptic number.

61267798 is a deficient number, since it is larger than the sum of its proper divisors (30667994).

61267798 is a wasteful number, since it uses less digits than its factorization.

61267798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366.

The product of its digits is 254016, while the sum is 46.

The square root of 61267798 is about 7827.3749111691. The cubic root of 61267798 is about 394.2249353334.

It can be divided in two parts, 6126 and 7798, that added together give a square (13924 = 118²).

The spelling of 61267798 in words is "sixty-one million, two hundred sixty-seven thousand, seven hundred ninety-eight".