70108438 has 4 divisors (see below), whose sum is σ = 105162660. Its totient is φ = 35054218.

The previous prime is 70108411. The next prime is 70108501. The reversal of 70108438 is 83480107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83480107 = 1789 ⋅46663.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 17527108 + ... + 17527111.

It is an arithmetic number, because the mean of its divisors is an integer number (26290665).

Almost surely, 2^70108438 is an apocalyptic number.

70108438 is a deficient number, since it is larger than the sum of its proper divisors (35054222).

70108438 is a wasteful number, since it uses less digits than its factorization.

70108438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35054221.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 70108438 is about 8373.0781675558. The cubic root of 70108438 is about 412.3412315834.

The spelling of 70108438 in words is "seventy million, one hundred eight thousand, four hundred thirty-eight".