346945725 has 54 divisors (see below), whose sum is σ = 722897370. Its totient is φ = 158598720.

The previous prime is 346945723. The next prime is 346945733. The reversal of 346945725 is 527549643.

It can be written as a sum of positive squares in 3 ways, for example, as 19263321 + 327682404 = 4389^2 + 18102^2 .

It is not a de Polignac number, because 346945725 - 2¹ = 346945723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346945721) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4710 + ... + 26759.

Almost surely, 2^346945725 is an apocalyptic number.

346945725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

346945725 is an abundant number, since it is smaller than the sum of its proper divisors (375951645).

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

346945725 is a wasteful number, since it uses less digits than its factorization.

346945725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31499 (or 31484 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 346945725 is about 18626.4791358968. The cubic root of 346945725 is about 702.6739394435.

It can be divided in two parts, 3469 and 45725, that added together give a palindrome (49194).

The spelling of 346945725 in words is "three hundred forty-six million, nine hundred forty-five thousand, seven hundred twenty-five".