79538745 has 48 divisors (see below), whose sum is σ = 150687936. Its totient is φ = 35587200.

The previous prime is 79538741. The next prime is 79538749. The reversal of 79538745 is 54783597.

It is an interprime number because it is at equal distance from previous prime (79538741) and next prime (79538749).

It is not a de Polignac number, because 79538745 - 2² = 79538741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79538694 and 79538703.

It is not an unprimeable number, because it can be changed into a prime (79538741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21910 + ... + 25280.

It is an arithmetic number, because the mean of its divisors is an integer number (3139332).

Almost surely, 2^79538745 is an apocalyptic number.

It is an amenable number.

79538745 is a deficient number, since it is larger than the sum of its proper divisors (71149191).

79538745 is a wasteful number, since it uses less digits than its factorization.

79538745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414 (or 3403 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 79538745 is about 8918.4496971166. The cubic root of 79538745 is about 430.0572215179.

The spelling of 79538745 in words is "seventy-nine million, five hundred thirty-eight thousand, seven hundred forty-five".