107758640 has 40 divisors (see below), whose sum is σ = 273317328. Its totient is φ = 39184640.

The previous prime is 107758591. The next prime is 107758669. The reversal of 107758640 is 46857701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×107758640² = 23223848989299200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107758594 and 107758603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60347 + ... + 62106.

Almost surely, 2^107758640 is an apocalyptic number.

107758640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107758640 is an abundant number, since it is smaller than the sum of its proper divisors (165558688).

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

107758640 is a wasteful number, since it uses less digits than its factorization.

107758640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122477 (or 122471 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 107758640 is about 10380.6859118268. The cubic root of 107758640 is about 475.8652962527.

The spelling of 107758640 in words is "one hundred seven million, seven hundred fifty-eight thousand, six hundred forty".