107739972 has 18 divisors (see below), whose sum is σ = 272342798. Its totient is φ = 35913312.

The previous prime is 107739971. The next prime is 107739979. The reversal of 107739972 is 279937701.

It can be written as a sum of positive squares in only one way, i.e., 90897156 + 16842816 = 9534^2 + 4104^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (107739971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1496353 + ... + 1496424.

Almost surely, 2^107739972 is an apocalyptic number.

107739972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

107739972 is an abundant number, since it is smaller than the sum of its proper divisors (164602826).

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

107739972 is a wasteful number, since it uses less digits than its factorization.

107739972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992787 (or 2992782 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 107739972 is about 10379.7867030108. The cubic root of 107739972 is about 475.8378151882.

The spelling of 107739972 in words is "one hundred seven million, seven hundred thirty-nine thousand, nine hundred seventy-two".