71002828 has 24 divisors (see below), whose sum is σ = 136343088. Its totient is φ = 32150976.

The previous prime is 71002823. The next prime is 71002831. The reversal of 71002828 is 82820017.

It is a junction number, because it is equal to n+sod(n) for n = 71002796 and 71002805.

It is not an unprimeable number, because it can be changed into a prime (71002823) 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, 10126 + ... + 15637.

It is an arithmetic number, because the mean of its divisors is an integer number (5680962).

Almost surely, 2^71002828 is an apocalyptic number.

It is an amenable number.

71002828 is a deficient number, since it is larger than the sum of its proper divisors (65340260).

71002828 is a wasteful number, since it uses less digits than its factorization.

71002828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25833 (or 25831 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 71002828 is about 8426.3175824318. The cubic root of 71002828 is about 414.0872726311.

The spelling of 71002828 in words is "seventy-one million, two thousand, eight hundred twenty-eight".