70448403 has 4 divisors (see below), whose sum is σ = 93931208. Its totient is φ = 46965600.

The previous prime is 70448393. The next prime is 70448489. The reversal of 70448403 is 30484407.

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

It is not a de Polignac number, because 70448403 - 2²¹ = 68351251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70448303) 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 3 ways as a sum of consecutive naturals, for example, 11741398 + ... + 11741403.

It is an arithmetic number, because the mean of its divisors is an integer number (23482802).

Almost surely, 2^70448403 is an apocalyptic number.

70448403 is a deficient number, since it is larger than the sum of its proper divisors (23482805).

70448403 is a wasteful number, since it uses less digits than its factorization.

70448403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23482804.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 70448403 is about 8393.3546928508. The cubic root of 70448403 is about 413.0066560456.

The spelling of 70448403 in words is "seventy million, four hundred forty-eight thousand, four hundred three".