70020070 has 32 divisors (see below), whose sum is σ = 129813120. Its totient is φ = 27181440.

The previous prime is 70020047. The next prime is 70020077. The reversal of 70020070 is 7002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70020077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47464 + ... + 48916.

It is an arithmetic number, because the mean of its divisors is an integer number (4056660).

Almost surely, 2^70020070 is an apocalyptic number.

70020070 is a deficient number, since it is larger than the sum of its proper divisors (59793050).

70020070 is a wasteful number, since it uses less digits than its factorization.

70020070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 98, while the sum is 16.

The square root of 70020070 is about 8367.7995912904. The cubic root of 70020070 is about 412.1679139295.

Adding to 70020070 its reverse (7002007), we get a palindrome (77022077).

The spelling of 70020070 in words is "seventy million, twenty thousand, seventy".