61871367 has 8 divisors (see below), whose sum is σ = 84413824. Its totient is φ = 40288248.

The previous prime is 61871339. The next prime is 61871387. The reversal of 61871367 is 76317816.

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

It is not a de Polignac number, because 61871367 - 2¹⁵ = 61838599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61871387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239683 + ... + 239940.

It is an arithmetic number, because the mean of its divisors is an integer number (10551728).

Almost surely, 2^61871367 is an apocalyptic number.

61871367 is a deficient number, since it is larger than the sum of its proper divisors (22542457).

61871367 is a wasteful number, since it uses less digits than its factorization.

61871367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479669.

The product of its digits is 42336, while the sum is 39.

The square root of 61871367 is about 7865.8354292472. The cubic root of 61871367 is about 395.5152534576.

The spelling of 61871367 in words is "sixty-one million, eight hundred seventy-one thousand, three hundred sixty-seven".