70880197 has 8 divisors (see below), whose sum is σ = 72951032. Its totient is φ = 68817600.

The previous prime is 70880189. The next prime is 70880209. The reversal of 70880197 is 79108807.

It can be written as a sum of positive squares in 4 ways, for example, as 17969121 + 52911076 = 4239^2 + 7274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70880197 - 2³ = 70880189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70880107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18247 + ... + 21787.

It is an arithmetic number, because the mean of its divisors is an integer number (9118879).

Almost surely, 2^70880197 is an apocalyptic number.

It is an amenable number.

70880197 is a deficient number, since it is larger than the sum of its proper divisors (2070835).

70880197 is a wasteful number, since it uses less digits than its factorization.

70880197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 70880197 is about 8419.0377716221. The cubic root of 70880197 is about 413.8487412921.

The spelling of 70880197 in words is "seventy million, eight hundred eighty thousand, one hundred ninety-seven".