70144019 has 8 divisors (see below), whose sum is σ = 76600512. Its totient is φ = 63700840.

The previous prime is 70144013. The next prime is 70144027. The reversal of 70144019 is 91044107.

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

It is a cyclic number.

It is not a de Polignac number, because 70144019 - 2⁴ = 70144003 is a prime.

It is a super-2 number, since 2×70144019² = 9840366802944722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70144013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10052 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (9575064).

Almost surely, 2^70144019 is an apocalyptic number.

70144019 is a deficient number, since it is larger than the sum of its proper divisors (6456493).

70144019 is a wasteful number, since it uses less digits than its factorization.

70144019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 70144019 is about 8375.2026244145. The cubic root of 70144019 is about 412.4109760748.

The spelling of 70144019 in words is "seventy million, one hundred forty-four thousand, nineteen".