302004072 has 64 divisors (see below), whose sum is σ = 840585600. Its totient is φ = 100465920.

The previous prime is 302004071. The next prime is 302004091. The reversal of 302004072 is 270400203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (302004071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138672 + ... + 140832.

It is an arithmetic number, because the mean of its divisors is an integer number (13134150).

Almost surely, 2^302004072 is an apocalyptic number.

It is an amenable number.

302004072 is an abundant number, since it is smaller than the sum of its proper divisors (538581528).

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

302004072 is a wasteful number, since it uses less digits than its factorization.

302004072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 302004072 is about 17378.2643552226. The cubic root of 302004072 is about 670.9203006197.

Adding to 302004072 its reverse (270400203), we get a palindrome (572404275).

The spelling of 302004072 in words is "three hundred two million, four thousand, seventy-two".