350707681 has 16 divisors (see below), whose sum is σ = 386805760. Its totient is φ = 316697040.

The previous prime is 350707667. The next prime is 350707697. The reversal of 350707681 is 186707053.

It is a cyclic number.

It is not a de Polignac number, because 350707681 - 2⁵ = 350707649 is a prime.

It is a super-2 number, since 2×350707681² = 245991755024795522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350707681.

It is not an unprimeable number, because it can be changed into a prime (350707601) 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, 35020 + ... + 43906.

It is an arithmetic number, because the mean of its divisors is an integer number (24175360).

Almost surely, 2^350707681 is an apocalyptic number.

350707681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

350707681 is a deficient number, since it is larger than the sum of its proper divisors (36098079).

350707681 is a wasteful number, since it uses less digits than its factorization.

350707681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 350707681 is about 18727.1909532637. The cubic root of 350707681 is about 705.2045286232.

The spelling of 350707681 in words is "three hundred fifty million, seven hundred seven thousand, six hundred eighty-one".