10687090 has 8 divisors (see below), whose sum is σ = 19236780. Its totient is φ = 4274832.

The previous prime is 10687087. The next prime is 10687093. The reversal of 10687090 is 9078601.

It is an interprime number because it is at equal distance from previous prime (10687087) and next prime (10687093).

It can be written as a sum of positive squares in 2 ways, for example, as 10686361 + 729 = 3269^2 + 27^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10687090² = 228427785336200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10687093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534345 + ... + 534364.

Almost surely, 2^10687090 is an apocalyptic number.

10687090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10687090 is a deficient number, since it is larger than the sum of its proper divisors (8549690).

10687090 is a wasteful number, since it uses less digits than its factorization.

10687090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068716.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 10687090 is about 3269.1115000868. Note that the first 3 decimals coincide. The cubic root of 10687090 is about 220.2688861070.

The spelling of 10687090 in words is "ten million, six hundred eighty-seven thousand, ninety".