107028540 has 60 divisors (see below), whose sum is σ = 335757576. Its totient is φ = 28540512.

The previous prime is 107028533. The next prime is 107028553. The reversal of 107028540 is 45820701.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×107028540² = 22910216749063200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31414 + ... + 34653.

Almost surely, 2^107028540 is an apocalyptic number.

107028540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107028540 is an abundant number, since it is smaller than the sum of its proper divisors (228729036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107028540 is a wasteful number, since it uses less digits than its factorization.

107028540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66088 (or 66077 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 107028540 is about 10345.4598737804. The cubic root of 107028540 is about 474.7881455989.

The spelling of 107028540 in words is "one hundred seven million, twenty-eight thousand, five hundred forty".