70427828 has 24 divisors (see below), whose sum is σ = 126554400. Its totient is φ = 34281248.

The previous prime is 70427807. The next prime is 70427837. The reversal of 70427828 is 82872407.

It is a junction number, because it is equal to n+sod(n) for n = 70427791 and 70427800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23858 + ... + 26646.

It is an arithmetic number, because the mean of its divisors is an integer number (5273100).

Almost surely, 2^70427828 is an apocalyptic number.

It is an amenable number.

70427828 is a deficient number, since it is larger than the sum of its proper divisors (56126572).

70427828 is a wasteful number, since it uses less digits than its factorization.

70427828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 70427828 is about 8392.1289313261. The cubic root of 70427828 is about 412.9664448698.

The spelling of 70427828 in words is "seventy million, four hundred twenty-seven thousand, eight hundred twenty-eight".