345725073 has 24 divisors (see below), whose sum is σ = 537732000. Its totient is φ = 213243264.

The previous prime is 345725063. The next prime is 345725099. The reversal of 345725073 is 370527543.

345725073 is a `hidden beast` number, since 34 + 572 + 50 + 7 + 3 = 666.

It is not a de Polignac number, because 345725073 - 2⁵ = 345725041 is a prime.

It is a super-2 number, since 2×345725073² = 239051652201710658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345725053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10123 + ... + 28176.

It is an arithmetic number, because the mean of its divisors is an integer number (22405500).

Almost surely, 2^345725073 is an apocalyptic number.

It is an amenable number.

345725073 is a deficient number, since it is larger than the sum of its proper divisors (192006927).

345725073 is a wasteful number, since it uses less digits than its factorization.

345725073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38381 (or 38378 counting only the distinct ones).

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

The square root of 345725073 is about 18593.6836855960. The cubic root of 345725073 is about 701.8489033660.

The spelling of 345725073 in words is "three hundred forty-five million, seven hundred twenty-five thousand, seventy-three".