5672343978 has 320 divisors, whose sum is σ = 15890688000. Its totient is φ = 1508855040.

The previous prime is 5672343953. The next prime is 5672343983. The reversal of 5672343978 is 8793432765.

5672343978 is a `hidden beast` number, since 567 + 2 + 3 + 4 + 3 + 9 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (7620480) is a multiple of the sum of its prime factors (192).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 63734158 + ... + 63734246.

It is an arithmetic number, because the mean of its divisors is an integer number (49658400).

Almost surely, 2^5672343978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5672343978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7945344000).

5672343978 is an abundant number, since it is smaller than the sum of its proper divisors (10218344022).

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

5672343978 is a wasteful number, since it uses less digits than its factorization.

5672343978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 169 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 5672343978 is about 75314.9651662935. The cubic root of 5672343978 is about 1783.4222737098.

The spelling of 5672343978 in words is "five billion, six hundred seventy-two million, three hundred forty-three thousand, nine hundred seventy-eight".