70789629240 has 640 divisors, whose sum is σ = 276058886400. Its totient is φ = 16089477120.

The previous prime is 70789629233. The next prime is 70789629247. The reversal of 70789629240 is 4292698707.

70789629240 is a `hidden beast` number, since 7 + 0 + 7 + 8 + 9 + 629 + 2 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (70789629233) and next prime (70789629247).

It is a super-2 number, since 2×70789629240² (a number of 23 digits) contains 22 as substring.

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 (70789629247) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 72455632 + ... + 72456608.

It is an arithmetic number, because the mean of its divisors is an integer number (431342010).

Almost surely, 2^70789629240 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 70789629240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138029443200).

70789629240 is an abundant number, since it is smaller than the sum of its proper divisors (205269257160).

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

70789629240 is a wasteful number, since it uses less digits than its factorization.

70789629240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 70789629240 in words is "seventy billion, seven hundred eighty-nine million, six hundred twenty-nine thousand, two hundred forty".