70331998 has 8 divisors (see below), whose sum is σ = 115088760. Its totient is φ = 31969080.

The previous prime is 70331993. The next prime is 70332001. The reversal of 70331998 is 89913307.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70331998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70331993) 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, 1598433 + ... + 1598476.

It is an arithmetic number, because the mean of its divisors is an integer number (14386095).

Almost surely, 2^70331998 is an apocalyptic number.

70331998 is a deficient number, since it is larger than the sum of its proper divisors (44756762).

70331998 is a wasteful number, since it uses less digits than its factorization.

70331998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196922.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 70331998 is about 8386.4174711256. The cubic root of 70331998 is about 412.7790542762.

The spelling of 70331998 in words is "seventy million, three hundred thirty-one thousand, nine hundred ninety-eight".