72140230 has 8 divisors (see below), whose sum is σ = 129852432. Its totient is φ = 28856088.

The previous prime is 72140221. The next prime is 72140239. The reversal of 72140230 is 3204127.

It is an interprime number because it is at equal distance from previous prime (72140221) and next prime (72140239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72140198 and 72140207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607002 + ... + 3607021.

It is an arithmetic number, because the mean of its divisors is an integer number (16231554).

Almost surely, 2^72140230 is an apocalyptic number.

72140230 is a deficient number, since it is larger than the sum of its proper divisors (57712202).

72140230 is a wasteful number, since it uses less digits than its factorization.

72140230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214030.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 72140230 is about 8493.5404867464. The cubic root of 72140230 is about 416.2866729346.

Adding to 72140230 its reverse (3204127), we get a palindrome (75344357).

The spelling of 72140230 in words is "seventy-two million, one hundred forty thousand, two hundred thirty".