70439461 has 4 divisors (see below), whose sum is σ = 72077632. Its totient is φ = 68801292.

The previous prime is 70439459. The next prime is 70439497. The reversal of 70439461 is 16493407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70439461 - 2¹ = 70439459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70436461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819021 + ... + 819106.

It is an arithmetic number, because the mean of its divisors is an integer number (18019408).

Almost surely, 2^70439461 is an apocalyptic number.

It is an amenable number.

70439461 is a deficient number, since it is larger than the sum of its proper divisors (1638171).

70439461 is a wasteful number, since it uses less digits than its factorization.

70439461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638170.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70439461 is about 8392.8219926316. The cubic root of 70439461 is about 412.9891810254.

The spelling of 70439461 in words is "seventy million, four hundred thirty-nine thousand, four hundred sixty-one".