7070700 has 216 divisors, whose sum is σ = 26321232. Its totient is φ = 1451520.

The previous prime is 7070689. The next prime is 7070731. The reversal of 7070700 is 70707.

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.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 191082 + ... + 191118.

Almost surely, 2^7070700 is an apocalyptic number.

7070700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7070700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13160616).

7070700 is an abundant number, since it is smaller than the sum of its proper divisors (19250532).

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

7070700 is a wasteful number, since it uses less digits than its factorization.

7070700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 67 counting only the distinct ones).

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

The square root of 7070700 is about 2659.0787878512. The cubic root of 7070700 is about 191.9349823256.

Multiplying 7070700 by its reverse (70707), we get a square (499947984900 = 707070²).

7070700 divided by its reverse (70707) gives a square (100 = 10²).

The spelling of 7070700 in words is "seven million, seventy thousand, seven hundred".