71142514 has 8 divisors (see below), whose sum is σ = 107180460. Its totient is φ = 35415696.

The previous prime is 71142493. The next prime is 71142529. The reversal of 71142514 is 41524117.

It can be written as a sum of positive squares in 2 ways, for example, as 60140025 + 11002489 = 7755^2 + 3317^2 .

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

It is a super-2 number, since 2×71142514² = 10122514596480392, which contains 22 as substring.

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, 77209 + ... + 78124.

Almost surely, 2^71142514 is an apocalyptic number.

71142514 is a deficient number, since it is larger than the sum of its proper divisors (36037946).

71142514 is a wasteful number, since it uses less digits than its factorization.

71142514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155564.

The product of its digits is 1120, while the sum is 25.

The square root of 71142514 is about 8434.6021838614. The cubic root of 71142514 is about 414.3586435339.

The spelling of 71142514 in words is "seventy-one million, one hundred forty-two thousand, five hundred fourteen".