61798671 has 12 divisors (see below), whose sum is σ = 97379880. Its totient is φ = 37453680.

The previous prime is 61798657. The next prime is 61798687. The reversal of 61798671 is 17689716.

It is not a de Polignac number, because 61798671 - 2⁷ = 61798543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61798601) 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 11 ways as a sum of consecutive naturals, for example, 312016 + ... + 312213.

It is an arithmetic number, because the mean of its divisors is an integer number (8114990).

Almost surely, 2^61798671 is an apocalyptic number.

61798671 is a deficient number, since it is larger than the sum of its proper divisors (35581209).

61798671 is a wasteful number, since it uses less digits than its factorization.

61798671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624246 (or 624243 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 61798671 is about 7861.2130743289. The cubic root of 61798671 is about 395.3602886948.

The spelling of 61798671 in words is "sixty-one million, seven hundred ninety-eight thousand, six hundred seventy-one".