70438047 has 8 divisors (see below), whose sum is σ = 96455856. Its totient is φ = 45689472.

The previous prime is 70438037. The next prime is 70438057. The reversal of 70438047 is 74083407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70438037) and next prime (70438057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70438047 - 2⁴ = 70438031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70437999 and 70438017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70438037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317178 + ... + 317399.

It is an arithmetic number, because the mean of its divisors is an integer number (12056982).

Almost surely, 2^70438047 is an apocalyptic number.

70438047 is a deficient number, since it is larger than the sum of its proper divisors (26017809).

70438047 is a wasteful number, since it uses less digits than its factorization.

70438047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634617.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70438047 is about 8392.7377535581. The cubic root of 70438047 is about 412.9864175621.

The spelling of 70438047 in words is "seventy million, four hundred thirty-eight thousand, forty-seven".