70405160 has 96 divisors (see below), whose sum is σ = 195206760. Its totient is φ = 22708224.

The previous prime is 70405157. The next prime is 70405189. The reversal of 70405160 is 6150407.

It can be written as a sum of positive squares in 4 ways, for example, as 41654116 + 28751044 = 6454^2 + 5362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32264 + ... + 34376.

Almost surely, 2^70405160 is an apocalyptic number.

70405160 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 70405160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97603380).

70405160 is an abundant number, since it is smaller than the sum of its proper divisors (124801600).

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

70405160 is a wasteful number, since it uses less digits than its factorization.

70405160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 70405160 is about 8390.7782714120. The cubic root of 70405160 is about 412.9221341281.

Adding to 70405160 its reverse (6150407), we get a palindrome (76555567).

The spelling of 70405160 in words is "seventy million, four hundred five thousand, one hundred sixty".