70444087 has 8 divisors (see below), whose sum is σ = 81220896. Its totient is φ = 59845632.

The previous prime is 70444079. The next prime is 70444097. The reversal of 70444087 is 78044407.

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

It is not a de Polignac number, because 70444087 - 2³ = 70444079 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 (70444097) 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 7 ways as a sum of consecutive naturals, for example, 43738 + ... + 45319.

It is an arithmetic number, because the mean of its divisors is an integer number (10152612).

Almost surely, 2^70444087 is an apocalyptic number.

70444087 is a deficient number, since it is larger than the sum of its proper divisors (10776809).

70444087 is a wasteful number, since it uses less digits than its factorization.

70444087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89177.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 70444087 is about 8393.0975807505. The cubic root of 70444087 is about 412.9982216309.

The spelling of 70444087 in words is "seventy million, four hundred forty-four thousand, eighty-seven".