71406629 has 8 divisors (see below), whose sum is σ = 82726080. Its totient is φ = 60366816.

The previous prime is 71406589. The next prime is 71406631. The reversal of 71406629 is 92660417.

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

It is a cyclic number.

It is not a de Polignac number, because 71406629 - 2⁸ = 71406373 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 (71406689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69359 + ... + 70380.

It is an arithmetic number, because the mean of its divisors is an integer number (10340760).

Almost surely, 2^71406629 is an apocalyptic number.

It is an amenable number.

71406629 is a deficient number, since it is larger than the sum of its proper divisors (11319451).

71406629 is a wasteful number, since it uses less digits than its factorization.

71406629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139819.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 71406629 is about 8450.2443159947. The cubic root of 71406629 is about 414.8707760432.

The spelling of 71406629 in words is "seventy-one million, four hundred six thousand, six hundred twenty-nine".