70430047 has 4 divisors (see below), whose sum is σ = 72702016. Its totient is φ = 68158080.

The previous prime is 70430039. The next prime is 70430077. The reversal of 70430047 is 74003407.

It is a happy number.

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 70430047 - 2³ = 70430039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70430077) 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, 1135938 + ... + 1135999.

It is an arithmetic number, because the mean of its divisors is an integer number (18175504).

Almost surely, 2^70430047 is an apocalyptic number.

70430047 is a deficient number, since it is larger than the sum of its proper divisors (2271969).

70430047 is a wasteful number, since it uses less digits than its factorization.

70430047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271968.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 70430047 is about 8392.2611375004. The cubic root of 70430047 is about 412.9707819950.

The spelling of 70430047 in words is "seventy million, four hundred thirty thousand, forty-seven".