902724081 has 16 divisors (see below), whose sum is σ = 1376688000. Its totient is φ = 515426688.

The previous prime is 902724023. The next prime is 902724083. The reversal of 902724081 is 180427209.

It is a happy number.

It is not a de Polignac number, because 902724081 - 2¹⁰ = 902723057 is a prime.

It is a super-2 number, since 2×902724081² = 1629821532834589122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (902724083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10395 + ... + 43743.

It is an arithmetic number, because the mean of its divisors is an integer number (86043000).

Almost surely, 2^902724081 is an apocalyptic number.

It is an amenable number.

902724081 is a deficient number, since it is larger than the sum of its proper divisors (473963919).

902724081 is a wasteful number, since it uses less digits than its factorization.

902724081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34648.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 902724081 is about 30045.3670471838. The cubic root of 902724081 is about 966.4625039437.

The spelling of 902724081 in words is "nine hundred two million, seven hundred twenty-four thousand, eighty-one".