345770432 has 28 divisors (see below), whose sum is σ = 784158960. Its totient is φ = 148187136.

The previous prime is 345770419. The next prime is 345770449. The reversal of 345770432 is 234077543.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 345770392 and 345770401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385457 + ... + 386352.

Almost surely, 2^345770432 is an apocalyptic number.

345770432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345770432 is an abundant number, since it is smaller than the sum of its proper divisors (438388528).

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

345770432 is an equidigital number, since it uses as much as digits as its factorization.

345770432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771828 (or 771818 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 345770432 is about 18594.9033877565. The cubic root of 345770432 is about 701.8795961281.

The spelling of 345770432 in words is "three hundred forty-five million, seven hundred seventy thousand, four hundred thirty-two".