70043745 has 8 divisors (see below), whose sum is σ = 112070016. Its totient is φ = 37356656.

The previous prime is 70043681. The next prime is 70043759. The reversal of 70043745 is 54734007.

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 70043745 - 2⁶ = 70043681 is a prime.

It is a super-2 number, since 2×70043745² = 9812252427250050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334777 + ... + 2334806.

It is an arithmetic number, because the mean of its divisors is an integer number (14008752).

Almost surely, 2^70043745 is an apocalyptic number.

It is an amenable number.

70043745 is a deficient number, since it is larger than the sum of its proper divisors (42026271).

70043745 is a wasteful number, since it uses less digits than its factorization.

70043745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669591.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 70043745 is about 8369.2141208121. The cubic root of 70043745 is about 412.2143624015.

The spelling of 70043745 in words is "seventy million, forty-three thousand, seven hundred forty-five".