351745047 has 12 divisors (see below), whose sum is σ = 517663224. Its totient is φ = 230071920.

The previous prime is 351745021. The next prime is 351745061. The reversal of 351745047 is 740547153.

It is a happy number.

It is not a de Polignac number, because 351745047 - 2⁶ = 351744983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351745007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368229 + ... + 369182.

It is an arithmetic number, because the mean of its divisors is an integer number (43138602).

Almost surely, 2^351745047 is an apocalyptic number.

351745047 is a deficient number, since it is larger than the sum of its proper divisors (165918177).

351745047 is a wasteful number, since it uses less digits than its factorization.

351745047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737470 (or 737467 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 351745047 is about 18754.8672882535. The cubic root of 351745047 is about 705.8991575399.

The spelling of 351745047 in words is "three hundred fifty-one million, seven hundred forty-five thousand, forty-seven".