70216149 has 16 divisors (see below), whose sum is σ = 97723584. Its totient is φ = 44803200.

The previous prime is 70216127. The next prime is 70216169. The reversal of 70216149 is 94161207.

It is a happy number.

It is not a de Polignac number, because 70216149 - 2⁷ = 70216021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70216169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134 + ... + 11904.

It is an arithmetic number, because the mean of its divisors is an integer number (6107724).

Almost surely, 2^70216149 is an apocalyptic number.

It is an amenable number.

70216149 is a deficient number, since it is larger than the sum of its proper divisors (27507435).

70216149 is a wasteful number, since it uses less digits than its factorization.

70216149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 70216149 is about 8379.5076824358. The cubic root of 70216149 is about 412.5522901573.

The spelling of 70216149 in words is "seventy million, two hundred sixteen thousand, one hundred forty-nine".