70043747 has 6 divisors (see below), whose sum is σ = 73924668. Its totient is φ = 66356892.

The previous prime is 70043681. The next prime is 70043759. The reversal of 70043747 is 74734007.

It is a happy number.

It is not a de Polignac number, because 70043747 - 2¹⁰ = 70042723 is a prime.

It is a super-2 number, since 2×70043747² = 9812252987600018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70043777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96653 + ... + 97374.

It is an arithmetic number, because the mean of its divisors is an integer number (12320778).

Almost surely, 2^70043747 is an apocalyptic number.

70043747 is a deficient number, since it is larger than the sum of its proper divisors (3880921).

70043747 is a wasteful number, since it uses less digits than its factorization.

70043747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194065 (or 194046 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70043747 is about 8369.2142402976. The cubic root of 70043747 is about 412.2143663249.

The spelling of 70043747 in words is "seventy million, forty-three thousand, seven hundred forty-seven".