302743980 has 288 divisors, whose sum is σ = 1188794880. Its totient is φ = 62830080.

The previous prime is 302743979. The next prime is 302743993. The reversal of 302743980 is 89347203.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 373816 + ... + 374624.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^302743980 is an apocalyptic number.

302743980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302743980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594397440).

302743980 is an abundant number, since it is smaller than the sum of its proper divisors (886050900).

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

302743980 is a wasteful number, since it uses less digits than its factorization.

302743980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 302743980 is about 17399.5396490827. The cubic root of 302743980 is about 671.4677705455.

The spelling of 302743980 in words is "three hundred two million, seven hundred forty-three thousand, nine hundred eighty".