72344130 has 16 divisors (see below), whose sum is σ = 173625984. Its totient is φ = 19291760.

The previous prime is 72344123. The next prime is 72344137. The reversal of 72344130 is 3144327.

It is an interprime number because it is at equal distance from previous prime (72344123) and next prime (72344137).

It is a self number, because there is not a number n which added to its sum of digits gives 72344130.

It is not an unprimeable number, because it can be changed into a prime (72344137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205706 + ... + 1205765.

It is an arithmetic number, because the mean of its divisors is an integer number (10851624).

Almost surely, 2^72344130 is an apocalyptic number.

72344130 is an abundant number, since it is smaller than the sum of its proper divisors (101281854).

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

72344130 is a wasteful number, since it uses less digits than its factorization.

72344130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411481.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 72344130 is about 8505.5352565256. The cubic root of 72344130 is about 416.6785070413.

Adding to 72344130 its reverse (3144327), we get a palindrome (75488457).

The spelling of 72344130 in words is "seventy-two million, three hundred forty-four thousand, one hundred thirty".