70426144 has 12 divisors (see below), whose sum is σ = 138651534. Its totient is φ = 35213056.

The previous prime is 70426129. The next prime is 70426177. The reversal of 70426144 is 44162407.

It can be written as a sum of positive squares in only one way, i.e., 70358544 + 67600 = 8388^2 + 260^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100377 + ... + 1100440.

Almost surely, 2^70426144 is an apocalyptic number.

It is an amenable number.

70426144 is a deficient number, since it is larger than the sum of its proper divisors (68225390).

70426144 is a wasteful number, since it uses less digits than its factorization.

70426144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200827 (or 2200819 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 70426144 is about 8392.0285986167. The cubic root of 70426144 is about 412.9631533629.

The spelling of 70426144 in words is "seventy million, four hundred twenty-six thousand, one hundred forty-four".