71700828 has 24 divisors (see below), whose sum is σ = 167611920. Its totient is φ = 23856000.

The previous prime is 71700817. The next prime is 71700829. The reversal of 71700828 is 82800717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71700829) 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, 1578 + ... + 12078.

It is an arithmetic number, because the mean of its divisors is an integer number (6983830).

Almost surely, 2^71700828 is an apocalyptic number.

It is an amenable number.

71700828 is an abundant number, since it is smaller than the sum of its proper divisors (95911092).

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

71700828 is a wasteful number, since it uses less digits than its factorization.

71700828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077 (or 11075 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 71700828 is about 8467.6341441987. The cubic root of 71700828 is about 415.4397583542.

The spelling of 71700828 in words is "seventy-one million, seven hundred thousand, eight hundred twenty-eight".