14072715378 has 18 divisors (see below), whose sum is σ = 30491973837. Its totient is φ = 4690737360.

The previous prime is 14072715373. The next prime is 14072715409. The reversal of 14072715378 is 87351727041.

14072715378 is a `hidden beast` number, since 1 + 4 + 0 + 7 + 271 + 5 + 378 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12989844729 + 1082870649 = 113973^2 + 32907^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=83883.

It is a super-2 number, since 2×14072715378² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14072715373) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 489318 + ... + 517278.

Almost surely, 2^14072715378 is an apocalyptic number.

14072715378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14072715378 is an abundant number, since it is smaller than the sum of its proper divisors (16419258459).

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

14072715378 is an frugal number, since it uses more digits than its factorization.

14072715378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55930 (or 27966 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 14072715378 in words is "fourteen billion, seventy-two million, seven hundred fifteen thousand, three hundred seventy-eight".