70838539632 has 180 divisors, whose sum is σ = 235275636336. Its totient is φ = 20239372800.

The previous prime is 70838539601. The next prime is 70838539633. The reversal of 70838539632 is 23693583807.

70838539632 is a `hidden beast` number, since 70 + 8 + 3 + 8 + 539 + 6 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70838539633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 686632 + ... + 783032.

Almost surely, 2^70838539632 is an apocalyptic number.

70838539632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70838539632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117637818168).

70838539632 is an abundant number, since it is smaller than the sum of its proper divisors (164437096704).

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

70838539632 is an frugal number, since it uses more digits than its factorization.

70838539632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96440 (or 96413 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 70838539632 in words is "seventy billion, eight hundred thirty-eight million, five hundred thirty-nine thousand, six hundred thirty-two".