70444154 has 16 divisors (see below), whose sum is σ = 115740576. Its totient is φ = 31890000.

The previous prime is 70444133. The next prime is 70444163. The reversal of 70444154 is 45144407.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 857 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (7233786).

Almost surely, 2^70444154 is an apocalyptic number.

70444154 is a deficient number, since it is larger than the sum of its proper divisors (45296422).

70444154 is a wasteful number, since it uses less digits than its factorization.

70444154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13021.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 70444154 is about 8393.1015721246. The cubic root of 70444154 is about 412.9983525663.

The spelling of 70444154 in words is "seventy million, four hundred forty-four thousand, one hundred fifty-four".