70127428 has 18 divisors (see below), whose sum is σ = 142759806. Its totient is φ = 30054528.

The previous prime is 70127413. The next prime is 70127429. The reversal of 70127428 is 82472107.

It can be written as a sum of positive squares in only one way, i.e., 59938564 + 10188864 = 7742^2 + 3192^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70127428.

It is not an unprimeable number, because it can be changed into a prime (70127429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178701 + ... + 179092.

Almost surely, 2^70127428 is an apocalyptic number.

It is an amenable number.

70127428 is an abundant number, since it is smaller than the sum of its proper divisors (72632378).

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

70127428 is a wasteful number, since it uses less digits than its factorization.

70127428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357811 (or 357802 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 70127428 is about 8374.2120823394. The cubic root of 70127428 is about 412.3784579778.

The spelling of 70127428 in words is "seventy million, one hundred twenty-seven thousand, four hundred twenty-eight".