70020693 has 24 divisors (see below), whose sum is σ = 105906528. Its totient is φ = 46227024.

The previous prime is 70020689. The next prime is 70020701. The reversal of 70020693 is 39602007.

It is not a de Polignac number, because 70020693 - 2² = 70020689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70020653) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 24655 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (4412772).

Almost surely, 2^70020693 is an apocalyptic number.

It is an amenable number.

70020693 is a deficient number, since it is larger than the sum of its proper divisors (35885835).

70020693 is a wasteful number, since it uses less digits than its factorization.

70020693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70020693 is about 8367.8368172426. The cubic root of 70020693 is about 412.1691363402.

The spelling of 70020693 in words is "seventy million, twenty thousand, six hundred ninety-three".