72286554 has 16 divisors (see below), whose sum is σ = 144942048. Its totient is φ = 24034032.

The previous prime is 72286553. The next prime is 72286573. The reversal of 72286554 is 45568227.

It is not an unprimeable number, because it can be changed into a prime (72286553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12792 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (9058878).

Almost surely, 2^72286554 is an apocalyptic number.

72286554 is an abundant number, since it is smaller than the sum of its proper divisors (72655494).

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

72286554 is a wasteful number, since it uses less digits than its factorization.

72286554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30749.

The product of its digits is 134400, while the sum is 39.

The square root of 72286554 is about 8502.1499633916. The cubic root of 72286554 is about 416.5679380660.

The spelling of 72286554 in words is "seventy-two million, two hundred eighty-six thousand, five hundred fifty-four".