72587542 has 8 divisors (see below), whose sum is σ = 109196136. Its totient is φ = 36188832.

The previous prime is 72587533. The next prime is 72587549. The reversal of 72587542 is 24578527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72587495 and 72587504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72587549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51603 + ... + 52990.

It is an arithmetic number, because the mean of its divisors is an integer number (13649517).

Almost surely, 2^72587542 is an apocalyptic number.

72587542 is a deficient number, since it is larger than the sum of its proper divisors (36608594).

72587542 is a wasteful number, since it uses less digits than its factorization.

72587542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104942.

The product of its digits is 156800, while the sum is 40.

The square root of 72587542 is about 8519.8322753444. The cubic root of 72587542 is about 417.1453083723.

The spelling of 72587542 in words is "seventy-two million, five hundred eighty-seven thousand, five hundred forty-two".