72385630 has 16 divisors (see below), whose sum is σ = 137152080. Its totient is φ = 27430272.

The previous prime is 72385627. The next prime is 72385633. The reversal of 72385630 is 3658327.

It is an interprime number because it is at equal distance from previous prime (72385627) and next prime (72385633).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72385633) 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, 190299 + ... + 190678.

It is an arithmetic number, because the mean of its divisors is an integer number (8572005).

Almost surely, 2^72385630 is an apocalyptic number.

72385630 is a deficient number, since it is larger than the sum of its proper divisors (64766450).

72385630 is a wasteful number, since it uses less digits than its factorization.

72385630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381003.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 72385630 is about 8507.9744945551. The cubic root of 72385630 is about 416.7581672826.

The spelling of 72385630 in words is "seventy-two million, three hundred eighty-five thousand, six hundred thirty".