70274771840 has 512 divisors, whose sum is σ = 213166356480. Its totient is φ = 21565440000.

The previous prime is 70274771837. The next prime is 70274771869. The reversal of 70274771840 is 4817747207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 465395765 + ... + 465395915.

It is an arithmetic number, because the mean of its divisors is an integer number (416340540).

Almost surely, 2^70274771840 is an apocalyptic number.

70274771840 is a gapful number since it is divisible by the number (70) 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 70274771840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106583178240).

70274771840 is an abundant number, since it is smaller than the sum of its proper divisors (142891584640).

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

70274771840 is a wasteful number, since it uses less digits than its factorization.

70274771840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 47.

The spelling of 70274771840 in words is "seventy billion, two hundred seventy-four million, seven hundred seventy-one thousand, eight hundred forty".