70443734 has 4 divisors (see below), whose sum is σ = 105665604. Its totient is φ = 35221866.

The previous prime is 70443727. The next prime is 70443739. The reversal of 70443734 is 43734407.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70443734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70443739) 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 as a sum of consecutive naturals, namely, 17610932 + ... + 17610935.

It is an arithmetic number, because the mean of its divisors is an integer number (26416401).

Almost surely, 2^70443734 is an apocalyptic number.

70443734 is a deficient number, since it is larger than the sum of its proper divisors (35221870).

70443734 is a wasteful number, since it uses less digits than its factorization.

70443734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35221869.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 70443734 is about 8393.0765515394. The cubic root of 70443734 is about 412.9975317759.

The spelling of 70443734 in words is "seventy million, four hundred forty-three thousand, seven hundred thirty-four".