71129802 has 16 divisors (see below), whose sum is σ = 150628032. Its totient is φ = 22315200.

The previous prime is 71129791. The next prime is 71129827. The reversal of 71129802 is 20892117.

It is a self number, because there is not a number n which added to its sum of digits gives 71129802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348574 + ... + 348777.

It is an arithmetic number, because the mean of its divisors is an integer number (9414252).

Almost surely, 2^71129802 is an apocalyptic number.

71129802 is an abundant number, since it is smaller than the sum of its proper divisors (79498230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71129802 is a wasteful number, since it uses less digits than its factorization.

71129802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697373.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 71129802 is about 8433.8485876852. The cubic root of 71129802 is about 414.3339623667. Note that the first 3 decimals are identical.

The spelling of 71129802 in words is "seventy-one million, one hundred twenty-nine thousand, eight hundred two".