70043774 has 24 divisors (see below), whose sum is σ = 112398840. Its totient is φ = 32729216.

The previous prime is 70043759. The next prime is 70043777. The reversal of 70043774 is 47734007.

It is a happy number.

It is a super-2 number, since 2×70043774² = 9812260552326152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70043774.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103124 + ... + 103800.

It is an arithmetic number, because the mean of its divisors is an integer number (4683285).

Almost surely, 2^70043774 is an apocalyptic number.

70043774 is a deficient number, since it is larger than the sum of its proper divisors (42355066).

70043774 is a wasteful number, since it uses less digits than its factorization.

70043774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 875 counting only the distinct ones).

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

The square root of 70043774 is about 8369.2158533521. The cubic root of 70043774 is about 412.2144192907.

The spelling of 70043774 in words is "seventy million, forty-three thousand, seven hundred seventy-four".