70666734040 has 32 divisors (see below), whose sum is σ = 181714459680. Its totient is φ = 24228594432.

The previous prime is 70666734011. The next prime is 70666734043. The reversal of 70666734040 is 4043766607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666734043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126190317 + ... + 126190876.

It is an arithmetic number, because the mean of its divisors is an integer number (5678576865).

Almost surely, 2^70666734040 is an apocalyptic number.

70666734040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70666734040 is an abundant number, since it is smaller than the sum of its proper divisors (111047725640).

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

70666734040 is a wasteful number, since it uses less digits than its factorization.

70666734040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252381211 (or 252381207 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 70666734040 in words is "seventy billion, six hundred sixty-six million, seven hundred thirty-four thousand, forty".