61343875 has 32 divisors (see below), whose sum is σ = 84165120. Its totient is φ = 44431200.

The previous prime is 61343869. The next prime is 61343881. The reversal of 61343875 is 57834316.

It is an interprime number because it is at equal distance from previous prime (61343869) and next prime (61343881).

It is not a de Polignac number, because 61343875 - 2²¹ = 59246723 is a prime.

It is a Smith number, since the sum of its digits (37) 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 31 ways as a sum of consecutive naturals, for example, 54064 + ... + 55186.

It is an arithmetic number, because the mean of its divisors is an integer number (2630160).

Almost surely, 2^61343875 is an apocalyptic number.

61343875 is a deficient number, since it is larger than the sum of its proper divisors (22821245).

61343875 is a wasteful number, since it uses less digits than its factorization.

61343875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1170 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 61343875 is about 7832.2330787586. The cubic root of 61343875 is about 394.3880392061.

The spelling of 61343875 in words is "sixty-one million, three hundred forty-three thousand, eight hundred seventy-five".