70437323 has 4 divisors (see below), whose sum is σ = 76840728. Its totient is φ = 64033920.

The previous prime is 70437253. The next prime is 70437329. The reversal of 70437323 is 32373407.

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

It is a cyclic number.

It is not a de Polignac number, because 70437323 - 2¹⁴ = 70420939 is a prime.

It is a super-2 number, since 2×70437323² = 9922832942812658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70437329) 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 3 ways as a sum of consecutive naturals, for example, 3201686 + ... + 3201707.

It is an arithmetic number, because the mean of its divisors is an integer number (19210182).

Almost surely, 2^70437323 is an apocalyptic number.

70437323 is a deficient number, since it is larger than the sum of its proper divisors (6403405).

70437323 is a wasteful number, since it uses less digits than its factorization.

70437323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403404.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 70437323 is about 8392.6946209188. The cubic root of 70437323 is about 412.9850025920.

The spelling of 70437323 in words is "seventy million, four hundred thirty-seven thousand, three hundred twenty-three".