72372630 has 32 divisors (see below), whose sum is σ = 189485568. Its totient is φ = 17544800.

The previous prime is 72372617. The next prime is 72372659. The reversal of 72372630 is 3627327.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109326 + ... + 109985.

It is an arithmetic number, because the mean of its divisors is an integer number (5921424).

Almost surely, 2^72372630 is an apocalyptic number.

72372630 is an abundant number, since it is smaller than the sum of its proper divisors (117112938).

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

72372630 is a wasteful number, since it uses less digits than its factorization.

72372630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219332.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 72372630 is about 8507.2104711239. The cubic root of 72372630 is about 416.7332167478.

Adding to 72372630 its reverse (3627327), we get a palindrome (75999957).

The spelling of 72372630 in words is "seventy-two million, three hundred seventy-two thousand, six hundred thirty".