70016369 has 4 divisors (see below), whose sum is σ = 70141296. Its totient is φ = 69891444.

The previous prime is 70016333. The next prime is 70016371. The reversal of 70016369 is 96361007.

70016369 = T₁₉₀ + T₁₉₁ + ... + T₇₅₂.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96361007 = 23 ⋅4189609.

It is a cyclic number.

It is not a de Polignac number, because 70016369 - 2⁸ = 70016113 is a prime.

It is a super-2 number, since 2×70016369² = 9804583855888322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70016329) 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, 61619 + ... + 62744.

It is an arithmetic number, because the mean of its divisors is an integer number (17535324).

Almost surely, 2^70016369 is an apocalyptic number.

It is an amenable number.

70016369 is a deficient number, since it is larger than the sum of its proper divisors (124927).

70016369 is a wasteful number, since it uses less digits than its factorization.

70016369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124926.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 70016369 is about 8367.5784430144. The cubic root of 70016369 is about 412.1606519148.

The spelling of 70016369 in words is "seventy million, sixteen thousand, three hundred sixty-nine".