70666329600 has 720 divisors, whose sum is σ = 265072476240. Its totient is φ = 17960140800.

The previous prime is 70666329577. The next prime is 70666329619. The reversal of 70666329600 is 692366607.

It is a tau number, because it is divible by the number of its divisors (720).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 251481460 + ... + 251481740.

It is an arithmetic number, because the mean of its divisors is an integer number (368156217).

Almost surely, 2^70666329600 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 70666329600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132536238120).

70666329600 is an abundant number, since it is smaller than the sum of its proper divisors (194406146640).

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

70666329600 is a wasteful number, since it uses less digits than its factorization.

70666329600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 70666329600 in words is "seventy billion, six hundred sixty-six million, three hundred twenty-nine thousand, six hundred".