70197408 has 96 divisors (see below), whose sum is σ = 206841600. Its totient is φ = 23159808.

The previous prime is 70197383. The next prime is 70197427. The reversal of 70197408 is 80479107.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 97273 + ... + 97991.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^70197408 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 70197408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103420800).

70197408 is an abundant number, since it is smaller than the sum of its proper divisors (136644192).

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

70197408 is a wasteful number, since it uses less digits than its factorization.

70197408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 70197408 is about 8378.3893440207. The cubic root of 70197408 is about 412.5155828824.

The spelling of 70197408 in words is "seventy million, one hundred ninety-seven thousand, four hundred eight".