105687490 has 32 divisors (see below), whose sum is σ = 196162560. Its totient is φ = 40976064.

The previous prime is 105687457. The next prime is 105687497. The reversal of 105687490 is 94786501.

It is a super-2 number, since 2×105687490² = 22339691085000200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105687497) 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, 50199 + ... + 52261.

It is an arithmetic number, because the mean of its divisors is an integer number (6130080).

Almost surely, 2^105687490 is an apocalyptic number.

105687490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105687490 is a deficient number, since it is larger than the sum of its proper divisors (90475070).

105687490 is a wasteful number, since it uses less digits than its factorization.

105687490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 105687490 is about 10280.4421111156. The cubic root of 105687490 is about 472.7967994273.

The spelling of 105687490 in words is "one hundred five million, six hundred eighty-seven thousand, four hundred ninety".