288473730 has 32 divisors (see below), whose sum is σ = 716212800. Its totient is φ = 74273472.

The previous prime is 288473723. The next prime is 288473741. The reversal of 288473730 is 37374882.

It is a super-2 number, since 2×288473730² = 166434185800225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164920 + ... + 166659.

It is an arithmetic number, because the mean of its divisors is an integer number (22381650).

Almost surely, 2^288473730 is an apocalyptic number.

288473730 is an abundant number, since it is smaller than the sum of its proper divisors (427739070).

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

288473730 is a wasteful number, since it uses less digits than its factorization.

288473730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331618.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 288473730 is about 16984.5144175511. The cubic root of 288473730 is about 660.7473398525.

The spelling of 288473730 in words is "two hundred eighty-eight million, four hundred seventy-three thousand, seven hundred thirty".