70105828 has 24 divisors (see below), whose sum is σ = 132903288. Its totient is φ = 32165376.

The previous prime is 70105813. The next prime is 70105843. The reversal of 70105828 is 82850107.

It is an interprime number because it is at equal distance from previous prime (70105813) and next prime (70105843).

It can be written as a sum of positive squares in 4 ways, for example, as 32626944 + 37478884 = 5712^2 + 6122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70105828.

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, 5100 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (5537637).

Almost surely, 2^70105828 is an apocalyptic number.

It is an amenable number.

70105828 is a deficient number, since it is larger than the sum of its proper divisors (62797460).

70105828 is a wasteful number, since it uses less digits than its factorization.

70105828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983 (or 7981 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 70105828 is about 8372.9223094449. The cubic root of 70105828 is about 412.3361146341.

The spelling of 70105828 in words is "seventy million, one hundred five thousand, eight hundred twenty-eight".