352725990 has 64 divisors (see below), whose sum is σ = 873455616. Its totient is φ = 91107072.

The previous prime is 352725977. The next prime is 352726007. The reversal of 352725990 is 99527253.

It is a super-3 number, since 3×352725990³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162754 + ... + 164906.

It is an arithmetic number, because the mean of its divisors is an integer number (13647744).

Almost surely, 2^352725990 is an apocalyptic number.

352725990 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 352725990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436727808).

352725990 is an abundant number, since it is smaller than the sum of its proper divisors (520729626).

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

352725990 is a wasteful number, since it uses less digits than its factorization.

352725990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 352725990 is about 18781.0007720569. Note that the first 3 decimals coincide. The cubic root of 352725990 is about 706.5547499379.

The spelling of 352725990 in words is "three hundred fifty-two million, seven hundred twenty-five thousand, nine hundred ninety".