70605144 has 48 divisors (see below), whose sum is σ = 193658400. Its totient is φ = 23235264.

The previous prime is 70605137. The next prime is 70605149. The reversal of 70605144 is 44150607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70605149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519 + ... + 11894.

It is an arithmetic number, because the mean of its divisors is an integer number (4034550).

Almost surely, 2^70605144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70605144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96829200).

70605144 is an abundant number, since it is smaller than the sum of its proper divisors (123053256).

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

70605144 is a wasteful number, since it uses less digits than its factorization.

70605144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504 (or 12497 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70605144 is about 8402.6867131888. The cubic root of 70605144 is about 413.3127293464.

The spelling of 70605144 in words is "seventy million, six hundred five thousand, one hundred forty-four".