70448207 has 4 divisors (see below), whose sum is σ = 71145816. Its totient is φ = 69750600.

The previous prime is 70448197. The next prime is 70448227. The reversal of 70448207 is 70284407.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70448207 - 2¹² = 70444111 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 (70448227) 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, 348653 + ... + 348854.

It is an arithmetic number, because the mean of its divisors is an integer number (17786454).

Almost surely, 2^70448207 is an apocalyptic number.

70448207 is a deficient number, since it is larger than the sum of its proper divisors (697609).

70448207 is a wasteful number, since it uses less digits than its factorization.

70448207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697608.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 70448207 is about 8393.3430169391. The cubic root of 70448207 is about 413.0062730259.

It can be divided in two parts, 7044 and 8207, that added together give a palindrome (15251).

The spelling of 70448207 in words is "seventy million, four hundred forty-eight thousand, two hundred seven".