353745720 has 96 divisors (see below), whose sum is σ = 1155370320. Its totient is φ = 93864960.

The previous prime is 353745713. The next prime is 353745731. The reversal of 353745720 is 27547353.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73632 + ... + 78288.

Almost surely, 2^353745720 is an apocalyptic number.

353745720 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 353745720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577685160).

353745720 is an abundant number, since it is smaller than the sum of its proper divisors (801624600).

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

353745720 is a wasteful number, since it uses less digits than its factorization.

353745720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 353745720 is about 18808.1290935595. The cubic root of 353745720 is about 707.2349775480.

The spelling of 353745720 in words is "three hundred fifty-three million, seven hundred forty-five thousand, seven hundred twenty".