70423998 has 8 divisors (see below), whose sum is σ = 140848008. Its totient is φ = 23474664.

The previous prime is 70423961. The next prime is 70424027. The reversal of 70423998 is 89932407.

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

70423998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5868661 + ... + 5868672.

It is an arithmetic number, because the mean of its divisors is an integer number (17606001).

Almost surely, 2^70423998 is an apocalyptic number.

70423998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70423998 is a wasteful number, since it uses less digits than its factorization.

70423998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737338.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 70423998 is about 8391.9007382118. The cubic root of 70423998 is about 412.9589587657.

It can be divided in two parts, 7042399 and 8, that added together give a palindrome (7042407).

The spelling of 70423998 in words is "seventy million, four hundred twenty-three thousand, nine hundred ninety-eight".