70070070 has 32 divisors (see below), whose sum is σ = 192192768. Its totient is φ = 16015968.

The previous prime is 70070059. The next prime is 70070083. The reversal of 70070070 is 7007007.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

70070070 is a modest number, since divided by 70070 gives 70 as remainder.

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, 166624 + ... + 167043.

It is an arithmetic number, because the mean of its divisors is an integer number (6006024).

Almost surely, 2^70070070 is an apocalyptic number.

70070070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70070070 is an abundant number, since it is smaller than the sum of its proper divisors (122122698).

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

70070070 is a wasteful number, since it uses less digits than its factorization.

70070070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333684.

The product of its (nonzero) digits is 343, while the sum is 21.

The square root of 70070070 is about 8370.7867013800. The cubic root of 70070070 is about 412.2659976755.

Adding to 70070070 its reverse (7007007), we get a palindrome (77077077).

The spelling of 70070070 in words is "seventy million, seventy thousand, seventy".