72634560 has 112 divisors (see below), whose sum is σ = 238658400. Its totient is φ = 18694144.

The previous prime is 72634559. The next prime is 72634561. The reversal of 72634560 is 6543627.

It is an interprime number because it is at equal distance from previous prime (72634559) and next prime (72634561).

It is not an unprimeable number, because it can be changed into a prime (72634561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26536 + ... + 29144.

Almost surely, 2^72634560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72634560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119329200).

72634560 is an abundant number, since it is smaller than the sum of its proper divisors (166023840).

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

72634560 is a wasteful number, since it uses less digits than its factorization.

72634560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 72634560 is about 8522.5911552767. The cubic root of 72634560 is about 417.2353564453.

The spelling of 72634560 in words is "seventy-two million, six hundred thirty-four thousand, five hundred sixty".