345723552 has 120 divisors (see below), whose sum is σ = 1029653856. Its totient is φ = 113781888.

The previous prime is 345723481. The next prime is 345723607. The reversal of 345723552 is 255327543.

345723552 is a `hidden beast` number, since 3 + 4 + 572 + 35 + 52 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214333 + ... + 215939.

Almost surely, 2^345723552 is an apocalyptic number.

345723552 is a gapful number since it is divisible by the number (32) 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 345723552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514826928).

345723552 is an abundant number, since it is smaller than the sum of its proper divisors (683930304).

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

345723552 is a wasteful number, since it uses less digits than its factorization.

345723552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1695 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 345723552 is about 18593.6427845648. The cubic root of 345723552 is about 701.8478741148.

The spelling of 345723552 in words is "three hundred forty-five million, seven hundred twenty-three thousand, five hundred fifty-two".