107507640 has 64 divisors (see below), whose sum is σ = 333655200. Its totient is φ = 27679232.

The previous prime is 107507633. The next prime is 107507641. The reversal of 107507640 is 46705701.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 107507598 and 107507607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107507641) 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, 11967 + ... + 18926.

Almost surely, 2^107507640 is an apocalyptic number.

107507640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107507640 is an abundant number, since it is smaller than the sum of its proper divisors (226147560).

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

107507640 is a wasteful number, since it uses less digits than its factorization.

107507640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30936 (or 30932 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 107507640 is about 10368.5891036341. The cubic root of 107507640 is about 475.4955345716.

The spelling of 107507640 in words is "one hundred seven million, five hundred seven thousand, six hundred forty".