303874740 has 240 divisors, whose sum is σ = 1051852032. Its totient is φ = 72969984.

The previous prime is 303874717. The next prime is 303874763. The reversal of 303874740 is 47478303.

It is an interprime number because it is at equal distance from previous prime (303874717) and next prime (303874763).

It is a super-2 number, since 2×303874740² = 184679715220135200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 303874695 and 303874704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 989667 + ... + 989973.

Almost surely, 2^303874740 is an apocalyptic number.

303874740 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 303874740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525926016).

303874740 is an abundant number, since it is smaller than the sum of its proper divisors (747977292).

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

303874740 is a wasteful number, since it uses less digits than its factorization.

303874740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 303874740 is about 17432.0033272140. The cubic root of 303874740 is about 672.3027175676.

The spelling of 303874740 in words is "three hundred three million, eight hundred seventy-four thousand, seven hundred forty".