70940737140 has 192 divisors, whose sum is σ = 251080779264. Its totient is φ = 14563141632.

The previous prime is 70940737099. The next prime is 70940737151. The reversal of 70940737140 is 4173704907.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 70940737092 and 70940737101.

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, 26442 + ... + 377598.

It is an arithmetic number, because the mean of its divisors is an integer number (1307712392).

Almost surely, 2^70940737140 is an apocalyptic number.

70940737140 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 70940737140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125540389632).

70940737140 is an abundant number, since it is smaller than the sum of its proper divisors (180140042124).

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

70940737140 is a wasteful number, since it uses less digits than its factorization.

70940737140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351226 (or 351224 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 70940737140 in words is "seventy billion, nine hundred forty million, seven hundred thirty-seven thousand, one hundred forty".