72143514 has 16 divisors (see below), whose sum is σ = 160319040. Its totient is φ = 24047820.

The previous prime is 72143507. The next prime is 72143527. The reversal of 72143514 is 41534127.

72143514 is a `hidden beast` number, since 7 + 2 + 143 + 514 = 666.

It is a super-3 number, since 3×72143514³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667942 + ... + 668049.

It is an arithmetic number, because the mean of its divisors is an integer number (10019940).

Almost surely, 2^72143514 is an apocalyptic number.

72143514 is an abundant number, since it is smaller than the sum of its proper divisors (88175526).

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

72143514 is a wasteful number, since it uses less digits than its factorization.

72143514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336002 (or 1335996 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 72143514 is about 8493.7338079316. The cubic root of 72143514 is about 416.2929896351.

The spelling of 72143514 in words is "seventy-two million, one hundred forty-three thousand, five hundred fourteen".