72300270 has 64 divisors (see below), whose sum is σ = 206945280. Its totient is φ = 15806208.

The previous prime is 72300259. The next prime is 72300281. The reversal of 72300270 is 7200327.

It is an interprime number because it is at equal distance from previous prime (72300259) and next prime (72300281).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (3233520).

Almost surely, 2^72300270 is an apocalyptic number.

72300270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72300270 is an abundant number, since it is smaller than the sum of its proper divisors (134645010).

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

72300270 is a wasteful number, since it uses less digits than its factorization.

72300270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15009.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 72300270 is about 8502.9565446379. The cubic root of 72300270 is about 416.5942836042.

Adding to 72300270 its reverse (7200327), we get a palindrome (79500597).

The spelling of 72300270 in words is "seventy-two million, three hundred thousand, two hundred seventy".