70074144 has 72 divisors (see below), whose sum is σ = 227747520. Its totient is φ = 20020608.

The previous prime is 70074139. The next prime is 70074149. The reversal of 70074144 is 44147007.

It is an interprime number because it is at equal distance from previous prime (70074139) and next prime (70074149).

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (70074149) 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, 15364 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (3163160).

Almost surely, 2^70074144 is an apocalyptic number.

It is an amenable number.

70074144 is an abundant number, since it is smaller than the sum of its proper divisors (157673376).

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

70074144 is a wasteful number, since it uses less digits than its factorization.

70074144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34782 (or 34771 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 70074144 is about 8371.0300441463. The cubic root of 70074144 is about 412.2739874831.

The spelling of 70074144 in words is "seventy million, seventy-four thousand, one hundred forty-four".