70074385 has 4 divisors (see below), whose sum is σ = 84089268. Its totient is φ = 56059504.

The previous prime is 70074341. The next prime is 70074397. The reversal of 70074385 is 58347007.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32913169 + 37161216 = 5737^2 + 6096^2 .

It is a cyclic number.

It is not a de Polignac number, because 70074385 - 2¹⁹ = 69550097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70074385.

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, 7007434 + ... + 7007443.

It is an arithmetic number, because the mean of its divisors is an integer number (21022317).

Almost surely, 2^70074385 is an apocalyptic number.

It is an amenable number.

70074385 is a deficient number, since it is larger than the sum of its proper divisors (14014883).

70074385 is a wasteful number, since it uses less digits than its factorization.

70074385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014882.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70074385 is about 8371.0444390172. The cubic root of 70074385 is about 412.2744601154.

It can be divided in two parts, 700743 and 85, that multiplied together give a triangular number (59563155 = T₁₀₉₁₄).

The spelling of 70074385 in words is "seventy million, seventy-four thousand, three hundred eighty-five".