72886530 has 16 divisors (see below), whose sum is σ = 174927744. Its totient is φ = 19436400.

The previous prime is 72886529. The next prime is 72886537. The reversal of 72886530 is 3568827.

It is not an unprimeable number, because it can be changed into a prime (72886537) 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, 1214746 + ... + 1214805.

It is an arithmetic number, because the mean of its divisors is an integer number (10932984).

Almost surely, 2^72886530 is an apocalyptic number.

72886530 is an abundant number, since it is smaller than the sum of its proper divisors (102041214).

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

72886530 is a wasteful number, since it uses less digits than its factorization.

72886530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429561.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 72886530 is about 8537.3608334192. The cubic root of 72886530 is about 417.7172641392.

The spelling of 72886530 in words is "seventy-two million, eight hundred eighty-six thousand, five hundred thirty".