107772345 has 12 divisors (see below), whose sum is σ = 186805476. Its totient is φ = 57478560.

The previous prime is 107772341. The next prime is 107772347. The reversal of 107772345 is 543277701.

It can be written as a sum of positive squares in 2 ways, for example, as 49112064 + 58660281 = 7008^2 + 7659^2 .

It is not a de Polignac number, because 107772345 - 2² = 107772341 is a prime.

It is a super-2 number, since 2×107772345² = 23229756693598050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107772341) 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, 1197426 + ... + 1197515.

It is an arithmetic number, because the mean of its divisors is an integer number (15567123).

Almost surely, 2^107772345 is an apocalyptic number.

107772345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

107772345 is a deficient number, since it is larger than the sum of its proper divisors (79033131).

107772345 is a wasteful number, since it uses less digits than its factorization.

107772345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394952 (or 2394949 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 107772345 is about 10381.3460109949. The cubic root of 107772345 is about 475.8854692907.

The spelling of 107772345 in words is "one hundred seven million, seven hundred seventy-two thousand, three hundred forty-five".