70561671740 has 48 divisors (see below), whose sum is σ = 169408247232. Its totient is φ = 24183968256.

The previous prime is 70561671701. The next prime is 70561671793. The reversal of 70561671740 is 4717616507.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70561671691 and 70561671700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311774 + ... + 488186.

It is an arithmetic number, because the mean of its divisors is an integer number (3529338484).

Almost surely, 2^70561671740 is an apocalyptic number.

70561671740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70561671740 is an abundant number, since it is smaller than the sum of its proper divisors (98846575492).

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

70561671740 is a wasteful number, since it uses less digits than its factorization.

70561671740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179286 (or 179284 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 70561671740 in words is "seventy billion, five hundred sixty-one million, six hundred seventy-one thousand, seven hundred forty".