70415889 has 8 divisors (see below), whose sum is σ = 94856160. Its totient is φ = 46459776.

The previous prime is 70415869. The next prime is 70415929. The reversal of 70415889 is 98851407.

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

It is not a de Polignac number, because 70415889 - 2¹² = 70411793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70415889.

It is not an unprimeable number, because it can be changed into a prime (70415869) 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 7 ways as a sum of consecutive naturals, for example, 120699 + ... + 121280.

It is an arithmetic number, because the mean of its divisors is an integer number (11857020).

Almost surely, 2^70415889 is an apocalyptic number.

It is an amenable number.

70415889 is a deficient number, since it is larger than the sum of its proper divisors (24440271).

70415889 is a wasteful number, since it uses less digits than its factorization.

70415889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242079.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 70415889 is about 8391.4175798848. The cubic root of 70415889 is about 412.9431080480.

The spelling of 70415889 in words is "seventy million, four hundred fifteen thousand, eight hundred eighty-nine".