351342750 has 128 divisors (see below), whose sum is σ = 983384064. Its totient is φ = 82800000.

The previous prime is 351342749. The next prime is 351342763. The reversal of 351342750 is 57243153.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304675 + ... + 305825.

It is an arithmetic number, because the mean of its divisors is an integer number (7682688).

Almost surely, 2^351342750 is an apocalyptic number.

351342750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 351342750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491692032).

351342750 is an abundant number, since it is smaller than the sum of its proper divisors (632041314).

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

351342750 is a wasteful number, since it uses less digits than its factorization.

351342750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 351342750 is about 18744.1390839910. The cubic root of 351342750 is about 705.6299384475.

The spelling of 351342750 in words is "three hundred fifty-one million, three hundred forty-two thousand, seven hundred fifty".