107621540 has 48 divisors (see below), whose sum is σ = 248596992. Its totient is φ = 38887296.

The previous prime is 107621519. The next prime is 107621593. The reversal of 107621540 is 45126701.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7817 + ... + 16623.

It is an arithmetic number, because the mean of its divisors is an integer number (5179104).

Almost surely, 2^107621540 is an apocalyptic number.

107621540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107621540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124298496).

107621540 is an abundant number, since it is smaller than the sum of its proper divisors (140975452).

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

107621540 is a wasteful number, since it uses less digits than its factorization.

107621540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876 (or 8874 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 107621540 is about 10374.0802001912. The cubic root of 107621540 is about 475.6633980717.

The spelling of 107621540 in words is "one hundred seven million, six hundred twenty-one thousand, five hundred forty".