70219089 has 8 divisors (see below), whose sum is σ = 104028320. Its totient is φ = 46812708.

The previous prime is 70219087. The next prime is 70219091. The reversal of 70219089 is 98091207.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70219087) and next prime (70219091).

It is not a de Polignac number, because 70219089 - 2¹ = 70219087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70219087) 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, 1300327 + ... + 1300380.

It is an arithmetic number, because the mean of its divisors is an integer number (13003540).

Almost surely, 2^70219089 is an apocalyptic number.

It is an amenable number.

70219089 is a deficient number, since it is larger than the sum of its proper divisors (33809231).

70219089 is a wasteful number, since it uses less digits than its factorization.

70219089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600716 (or 2600710 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 70219089 is about 8379.6831085668. The cubic root of 70219089 is about 412.5580480293.

It can be divided in two parts, 7021 and 9089, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 70219089 in words is "seventy million, two hundred nineteen thousand, eighty-nine".