71000434 has 8 divisors (see below), whose sum is σ = 106735068. Its totient is φ = 35422080.

The previous prime is 71000429. The next prime is 71000453. The reversal of 71000434 is 43400017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70644025 + 356409 = 8405^2 + 597^2 .

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

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, 37927 + ... + 39754.

Almost surely, 2^71000434 is an apocalyptic number.

71000434 is a deficient number, since it is larger than the sum of its proper divisors (35734634).

71000434 is a wasteful number, since it uses less digits than its factorization.

71000434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78140.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 71000434 is about 8426.1755262990. The cubic root of 71000434 is about 414.0826186565.

The spelling of 71000434 in words is "seventy-one million, four hundred thirty-four", and thus it is an aban number.