375499530 has 128 divisors (see below), whose sum is σ = 1163496960. Its totient is φ = 84395520.

The previous prime is 375499507. The next prime is 375499543. The reversal of 375499530 is 35994573.

375499530 is a `hidden beast` number, since 3 + 75 + 49 + 9 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 113662 + ... + 116918.

It is an arithmetic number, because the mean of its divisors is an integer number (9089820).

Almost surely, 2^375499530 is an apocalyptic number.

375499530 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 375499530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581748480).

375499530 is an abundant number, since it is smaller than the sum of its proper divisors (787997430).

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

375499530 is a wasteful number, since it uses less digits than its factorization.

375499530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 375499530 is about 19377.8102478066. The cubic root of 375499530 is about 721.4448417167. Note that the first 3 decimals are identical.

The spelling of 375499530 in words is "three hundred seventy-five million, four hundred ninety-nine thousand, five hundred thirty".