302499972 has 36 divisors (see below), whose sum is σ = 809633916. Its totient is φ = 94901760.

The previous prime is 302499971. The next prime is 302499997. The reversal of 302499972 is 279994203.

It can be written as a sum of positive squares in 2 ways, for example, as 185340996 + 117158976 = 13614^2 + 10824^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (302499971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246529 + ... + 247752.

It is an arithmetic number, because the mean of its divisors is an integer number (22489831).

Almost surely, 2^302499972 is an apocalyptic number.

It is an amenable number.

302499972 is an abundant number, since it is smaller than the sum of its proper divisors (507133944).

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

302499972 is a wasteful number, since it uses less digits than its factorization.

302499972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494308 (or 494303 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 302499972 is about 17392.5263259827. The cubic root of 302499972 is about 671.2873237468.

The spelling of 302499972 in words is "three hundred two million, four hundred ninety-nine thousand, nine hundred seventy-two".