72541602 has 64 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 20239632.

The previous prime is 72541541. The next prime is 72541619. The reversal of 72541602 is 20614527.

72541602 is a `hidden beast` number, since 7 + 2 + 54 + 1 + 602 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 14023 + ... + 18485.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^72541602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72541602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94279680).

72541602 is an abundant number, since it is smaller than the sum of its proper divisors (116017758).

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

72541602 is a wasteful number, since it uses less digits than its factorization.

72541602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 72541602 is about 8517.1357861666. The cubic root of 72541602 is about 417.0572873006.

The spelling of 72541602 in words is "seventy-two million, five hundred forty-one thousand, six hundred two".