214690737 has 16 divisors (see below), whose sum is σ = 290849600. Its totient is φ = 140838912.

The previous prime is 214690727. The next prime is 214690813. The reversal of 214690737 is 737096412.

It is a de Polignac number, because none of the positive numbers 2^k-214690737 is a prime.

It is a super-2 number, since 2×214690737² = 92184225107206338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214690695 and 214690704.

It is not an unprimeable number, because it can be changed into a prime (214690727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125514 + ... + 127212.

It is an arithmetic number, because the mean of its divisors is an integer number (18178100).

Almost surely, 2^214690737 is an apocalyptic number.

It is an amenable number.

214690737 is a deficient number, since it is larger than the sum of its proper divisors (76158863).

214690737 is a wasteful number, since it uses less digits than its factorization.

214690737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 214690737 is about 14652.3287227662. The cubic root of 214690737 is about 598.7852617893.

The spelling of 214690737 in words is "two hundred fourteen million, six hundred ninety thousand, seven hundred thirty-seven".