70057016 has 8 divisors (see below), whose sum is σ = 131356920. Its totient is φ = 35028504.

The previous prime is 70057007. The next prime is 70057033. The reversal of 70057016 is 61075007.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4378556 + ... + 4378571.

It is an arithmetic number, because the mean of its divisors is an integer number (16419615).

Almost surely, 2^70057016 is an apocalyptic number.

It is an amenable number.

70057016 is a deficient number, since it is larger than the sum of its proper divisors (61299904).

70057016 is a wasteful number, since it uses less digits than its factorization.

70057016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757133 (or 8757129 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 70057016 is about 8370.0069295073. The cubic root of 70057016 is about 412.2403944730.

Subtracting from 70057016 its reverse (61075007), we obtain a square (8982009 = 2997²).

The spelling of 70057016 in words is "seventy million, fifty-seven thousand, sixteen".