70144527 has 8 divisors (see below), whose sum is σ = 93809920. Its totient is φ = 46621080.

The previous prime is 70144519. The next prime is 70144541. The reversal of 70144527 is 72544107.

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

It is not a de Polignac number, because 70144527 - 2³ = 70144519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70144494 and 70144503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70144507) 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, 34327 + ... + 36312.

It is an arithmetic number, because the mean of its divisors is an integer number (11726240).

Almost surely, 2^70144527 is an apocalyptic number.

70144527 is a deficient number, since it is larger than the sum of its proper divisors (23665393).

70144527 is a wasteful number, since it uses less digits than its factorization.

70144527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70973.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 70144527 is about 8375.2329519841. The cubic root of 70144527 is about 412.4119716659.

The spelling of 70144527 in words is "seventy million, one hundred forty-four thousand, five hundred twenty-seven".