351840073 has 16 divisors (see below), whose sum is σ = 389249280. Its totient is φ = 315991296.

The previous prime is 351840031. The next prime is 351840121. The reversal of 351840073 is 370048153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351840073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351840373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107761 + ... + 110977.

It is an arithmetic number, because the mean of its divisors is an integer number (24328080).

Almost surely, 2^351840073 is an apocalyptic number.

It is an amenable number.

351840073 is a deficient number, since it is larger than the sum of its proper divisors (37409207).

351840073 is a wasteful number, since it uses less digits than its factorization.

351840073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 351840073 is about 18757.4004862081. The cubic root of 351840073 is about 705.9627194239.

The spelling of 351840073 in words is "three hundred fifty-one million, eight hundred forty thousand, seventy-three".