70235373921 has 8 divisors (see below), whose sum is σ = 95044884384. Its totient is φ = 46124723040.

The previous prime is 70235373919. The next prime is 70235373937. The reversal of 70235373921 is 12937353207.

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

It is not a de Polignac number, because 70235373921 - 2¹ = 70235373919 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70235373421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174714660 + ... + 174715061.

It is an arithmetic number, because the mean of its divisors is an integer number (11880610548).

Almost surely, 2^70235373921 is an apocalyptic number.

It is an amenable number.

70235373921 is a deficient number, since it is larger than the sum of its proper divisors (24809510463).

70235373921 is a wasteful number, since it uses less digits than its factorization.

70235373921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349429791.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 70235373921 in words is "seventy billion, two hundred thirty-five million, three hundred seventy-three thousand, nine hundred twenty-one".