107428690 has 8 divisors (see below), whose sum is σ = 193371660. Its totient is φ = 42971472.

The previous prime is 107428639. The next prime is 107428759. The reversal of 107428690 is 96824701.

It can be written as a sum of positive squares in 2 ways, for example, as 102758769 + 4669921 = 10137^2 + 2161^2 .

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

It is a super-2 number, since 2×107428690² = 23081846870232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5371425 + ... + 5371444.

Almost surely, 2^107428690 is an apocalyptic number.

107428690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

107428690 is a deficient number, since it is larger than the sum of its proper divisors (85942970).

107428690 is a wasteful number, since it uses less digits than its factorization.

107428690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10742876.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 107428690 is about 10364.7812326165. The cubic root of 107428690 is about 475.3791100841.

The spelling of 107428690 in words is "one hundred seven million, four hundred twenty-eight thousand, six hundred ninety".