70204120 has 64 divisors (see below), whose sum is σ = 181788480. Its totient is φ = 23901696.

The previous prime is 70204117. The next prime is 70204153. The reversal of 70204120 is 2140207.

It is a junction number, because it is equal to n+sod(n) for n = 70204094 and 70204103.

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, 43162 + ... + 44758.

It is an arithmetic number, because the mean of its divisors is an integer number (2840445).

Almost surely, 2^70204120 is an apocalyptic number.

70204120 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 70204120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90894240).

70204120 is an abundant number, since it is smaller than the sum of its proper divisors (111584360).

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

70204120 is a wasteful number, since it uses less digits than its factorization.

70204120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70204120 is about 8378.7898887608. The cubic root of 70204120 is about 412.5287301691.

Adding to 70204120 its reverse (2140207), we get a palindrome (72344327).

It can be divided in two parts, 70 and 204120, that multiplied together give a square (14288400 = 3780²).

The spelling of 70204120 in words is "seventy million, two hundred four thousand, one hundred twenty".