70237443 has 4 divisors (see below), whose sum is σ = 93649928. Its totient is φ = 46824960.

The previous prime is 70237441. The next prime is 70237457. The reversal of 70237443 is 34473207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34473207 = 3 ⋅11491069.

It is not a de Polignac number, because 70237443 - 2¹ = 70237441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70237443.

It is not an unprimeable number, because it can be changed into a prime (70237441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11706238 + ... + 11706243.

It is an arithmetic number, because the mean of its divisors is an integer number (23412482).

Almost surely, 2^70237443 is an apocalyptic number.

70237443 is a deficient number, since it is larger than the sum of its proper divisors (23412485).

70237443 is a wasteful number, since it uses less digits than its factorization.

70237443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412484.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 70237443 is about 8380.7781858250. The cubic root of 70237443 is about 412.5939899689.

The spelling of 70237443 in words is "seventy million, two hundred thirty-seven thousand, four hundred forty-three".