70000070 has 32 divisors (see below), whose sum is σ = 145440576. Its totient is φ = 23760000.

The previous prime is 70000069. The next prime is 70000081. The reversal of 70000070 is 7000007.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (4545018).

Almost surely, 2^70000070 is an apocalyptic number.

70000070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70000070 is an abundant number, since it is smaller than the sum of its proper divisors (75440506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70000070 is a wasteful number, since it uses less digits than its factorization.

70000070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016.

The product of its (nonzero) digits is 49, while the sum is 14.

The square root of 70000070 is about 8366.6044486398. The cubic root of 70000070 is about 412.1286673570.

70000070 divided by its sum of digits (14) gives a palindrome (5000005).

Adding to 70000070 its reverse (7000007), we get a palindrome (77000077).

It can be divided in two parts, 700000 and 70, that multiplied together give a square (49000000 = 7000²).

The spelling of 70000070 in words is "seventy million, seventy", and thus it is an aban number and an uban number.