61871734 has 8 divisors (see below), whose sum is σ = 94079160. Its totient is φ = 30512016.

The previous prime is 61871699. The next prime is 61871783. The reversal of 61871734 is 43717816.

61871734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×61871734² = 7656222936333512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61871693 and 61871702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211744 + ... + 212035.

It is an arithmetic number, because the mean of its divisors is an integer number (11759895).

Almost surely, 2^61871734 is an apocalyptic number.

61871734 is a deficient number, since it is larger than the sum of its proper divisors (32207426).

61871734 is a wasteful number, since it uses less digits than its factorization.

61871734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423854.

The product of its digits is 28224, while the sum is 37.

The square root of 61871734 is about 7865.8587579488. The cubic root of 61871734 is about 395.5160354769.

It can be divided in two parts, 6187 and 1734, that added together give a square (7921 = 89²).

The spelling of 61871734 in words is "sixty-one million, eight hundred seventy-one thousand, seven hundred thirty-four".