70963128 has 80 divisors (see below), whose sum is σ = 203686560. Its totient is φ = 23068800.

The previous prime is 70963127. The next prime is 70963129. The reversal of 70963128 is 82136907.

It is an interprime number because it is at equal distance from previous prime (70963127) and next prime (70963129).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70963092 and 70963101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70963121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25233 + ... + 27903.

It is an arithmetic number, because the mean of its divisors is an integer number (2546082).

Almost surely, 2^70963128 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 70963128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101843280).

70963128 is an abundant number, since it is smaller than the sum of its proper divisors (132723432).

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

70963128 is a wasteful number, since it uses less digits than its factorization.

70963128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 70963128 is about 8423.9615383737. The cubic root of 70963128 is about 414.0100816701.

The spelling of 70963128 in words is "seventy million, nine hundred sixty-three thousand, one hundred twenty-eight".