70040160 has 192 divisors, whose sum is σ = 253532160. Its totient is φ = 18040320.

The previous prime is 70040123. The next prime is 70040197. The reversal of 70040160 is 6104007.

It is a Cunningham number, because it is equal to 8369²-1.

It is an interprime number because it is at equal distance from previous prime (70040123) and next prime (70040197).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133659 + ... + 134181.

It is an arithmetic number, because the mean of its divisors is an integer number (1320480).

Almost surely, 2^70040160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70040160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126766080).

70040160 is an abundant number, since it is smaller than the sum of its proper divisors (183492000).

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

70040160 is a wasteful number, since it uses less digits than its factorization.

70040160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70040160 is about 8368.9999402557. Note that the first 4 decimals coincide. The cubic root of 70040160 is about 412.2073295884.

Adding to 70040160 its reverse (6104007), we get a palindrome (76144167).

The spelling of 70040160 in words is "seventy million, forty thousand, one hundred sixty".