69374672640 has 2016 divisors, whose sum is σ = 330288161280. Its totient is φ = 13544423424.

The previous prime is 69374672629. The next prime is 69374672641. The reversal of 69374672640 is 4627647396.

69374672640 is a `hidden beast` number, since 6 + 9 + 374 + 6 + 7 + 264 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

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 (69374672641) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1613364459 + ... + 1613364501.

Almost surely, 2^69374672640 is an apocalyptic number.

69374672640 is a gapful number since it is divisible by the number (60) 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 69374672640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165144080640).

69374672640 is an abundant number, since it is smaller than the sum of its proper divisors (260913488640).

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

69374672640 is a wasteful number, since it uses less digits than its factorization.

69374672640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 69374672640 in words is "sixty-nine billion, three hundred seventy-four million, six hundred seventy-two thousand, six hundred forty".