70955197 has 4 divisors (see below), whose sum is σ = 71927260. Its totient is φ = 69983136.

The previous prime is 70955173. The next prime is 70955251. The reversal of 70955197 is 79155907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79155907 = 601 ⋅131707.

It can be written as a sum of positive squares in 2 ways, for example, as 60124516 + 10830681 = 7754^2 + 3291^2 .

It is a cyclic number.

It is not a de Polignac number, because 70955197 - 2²³ = 62566589 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 (70955147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485922 + ... + 486067.

It is an arithmetic number, because the mean of its divisors is an integer number (17981815).

Almost surely, 2^70955197 is an apocalyptic number.

It is an amenable number.

70955197 is a deficient number, since it is larger than the sum of its proper divisors (972063).

70955197 is an equidigital number, since it uses as much as digits as its factorization.

70955197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972062.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 70955197 is about 8423.4907847044. The cubic root of 70955197 is about 413.9946575271.

The spelling of 70955197 in words is "seventy million, nine hundred fifty-five thousand, one hundred ninety-seven".