107973990 has 24 divisors (see below), whose sum is σ = 280732608. Its totient is φ = 28793040.

The previous prime is 107973977. The next prime is 107973997. The reversal of 107973990 is 99379701.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107973997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599766 + ... + 599945.

It is an arithmetic number, because the mean of its divisors is an integer number (11697192).

Almost surely, 2^107973990 is an apocalyptic number.

107973990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

107973990 is an abundant number, since it is smaller than the sum of its proper divisors (172758618).

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

107973990 is a wasteful number, since it uses less digits than its factorization.

107973990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199724 (or 1199721 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 107973990 is about 10391.0533633506. The cubic root of 107973990 is about 476.1820826124.

The spelling of 107973990 in words is "one hundred seven million, nine hundred seventy-three thousand, nine hundred ninety".