345485740 has 24 divisors (see below), whose sum is σ = 763706160. Its totient is φ = 130920768.

The previous prime is 345485717. The next prime is 345485743. The reversal of 345485740 is 47584543.

It is a junction number, because it is equal to n+sod(n) for n = 345485693 and 345485702.

It is not an unprimeable number, because it can be changed into a prime (345485743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454207 + ... + 454966.

It is an arithmetic number, because the mean of its divisors is an integer number (31821090).

Almost surely, 2^345485740 is an apocalyptic number.

It is an amenable number.

345485740 is an abundant number, since it is smaller than the sum of its proper divisors (418220420).

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

345485740 is a wasteful number, since it uses less digits than its factorization.

345485740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909201 (or 909199 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 345485740 is about 18587.2467030488. The cubic root of 345485740 is about 701.6869110848.

The spelling of 345485740 in words is "three hundred forty-five million, four hundred eighty-five thousand, seven hundred forty".