70339973 has 4 divisors (see below), whose sum is σ = 76734528. Its totient is φ = 63945420.

The previous prime is 70339963. The next prime is 70339979. The reversal of 70339973 is 37993307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70339973 - 2⁶ = 70339909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70339973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70339979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197261 + ... + 3197282.

It is an arithmetic number, because the mean of its divisors is an integer number (19183632).

Almost surely, 2^70339973 is an apocalyptic number.

It is an amenable number.

70339973 is a deficient number, since it is larger than the sum of its proper divisors (6394555).

70339973 is a wasteful number, since it uses less digits than its factorization.

70339973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394554.

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 70339973 is about 8386.8929288503. The cubic root of 70339973 is about 412.7946554660.

It can be divided in two parts, 70 and 339973, that added together give a palindrome (340043).

The spelling of 70339973 in words is "seventy million, three hundred thirty-nine thousand, nine hundred seventy-three".