70398038 has 4 divisors (see below), whose sum is σ = 105597060. Its totient is φ = 35199018.

The previous prime is 70398023. The next prime is 70398043. The reversal of 70398038 is 83089307.

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

It is a junction number, because it is equal to n+sod(n) for n = 70397992 and 70398010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17599508 + ... + 17599511.

It is an arithmetic number, because the mean of its divisors is an integer number (26399265).

Almost surely, 2^70398038 is an apocalyptic number.

70398038 is a deficient number, since it is larger than the sum of its proper divisors (35199022).

70398038 is a wasteful number, since it uses less digits than its factorization.

70398038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35199021.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 70398038 is about 8390.3538661966. The cubic root of 70398038 is about 412.9082102878.

The spelling of 70398038 in words is "seventy million, three hundred ninety-eight thousand, thirty-eight".