70370632728 has 192 divisors, whose sum is σ = 231730761600. Its totient is φ = 19013667840.

The previous prime is 70370632727. The next prime is 70370632729. The reversal of 70370632728 is 82723607307.

70370632728 is a `hidden beast` number, since 7 + 0 + 3 + 7 + 0 + 632 + 7 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (70370632727) and next prime (70370632729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70370632727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118275 + ... + 393357.

It is an arithmetic number, because the mean of its divisors is an integer number (1206931050).

Almost surely, 2^70370632728 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 70370632728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115865380800).

70370632728 is an abundant number, since it is smaller than the sum of its proper divisors (161360128872).

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

70370632728 is a wasteful number, since it uses less digits than its factorization.

70370632728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275142 (or 275135 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 70370632728 in words is "seventy billion, three hundred seventy million, six hundred thirty-two thousand, seven hundred twenty-eight".