70144236 has 36 divisors (see below), whose sum is σ = 179039952. Its totient is φ = 23153184.

The previous prime is 70144187. The next prime is 70144241. The reversal of 70144236 is 63244107.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5751 + ... + 13166.

It is an arithmetic number, because the mean of its divisors is an integer number (4973332).

Almost surely, 2^70144236 is an apocalyptic number.

It is an amenable number.

70144236 is an abundant number, since it is smaller than the sum of its proper divisors (108895716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70144236 is a wasteful number, since it uses less digits than its factorization.

70144236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030 (or 19025 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70144236 is about 8375.2155793150. The cubic root of 70144236 is about 412.4114013574.

The spelling of 70144236 in words is "seventy million, one hundred forty-four thousand, two hundred thirty-six".