70340739552 has 144 divisors (see below), whose sum is σ = 216459734400. Its totient is φ = 22427425152.

The previous prime is 70340739533. The next prime is 70340739563. The reversal of 70340739552 is 25593704307.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70340739498 and 70340739507.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17802 + ... + 375497.

It is an arithmetic number, because the mean of its divisors is an integer number (1503192600).

Almost surely, 2^70340739552 is an apocalyptic number.

70340739552 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 70340739552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108229867200).

70340739552 is an abundant number, since it is smaller than the sum of its proper divisors (146118994848).

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

70340739552 is a wasteful number, since it uses less digits than its factorization.

70340739552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393347 (or 393327 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 70340739552 in words is "seventy billion, three hundred forty million, seven hundred thirty-nine thousand, five hundred fifty-two".