79273545 has 16 divisors (see below), whose sum is σ = 136594752. Its totient is φ = 39026880.

The previous prime is 79273511. The next prime is 79273561. The reversal of 79273545 is 54537297.

It is a de Polignac number, because none of the positive numbers 2^k-79273545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79273497 and 79273506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203071 + ... + 203460.

It is an arithmetic number, because the mean of its divisors is an integer number (8537172).

Almost surely, 2^79273545 is an apocalyptic number.

It is an amenable number.

79273545 is a deficient number, since it is larger than the sum of its proper divisors (57321207).

79273545 is a wasteful number, since it uses less digits than its factorization.

79273545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406552.

The product of its digits is 264600, while the sum is 42.

The square root of 79273545 is about 8903.5692281242. The cubic root of 79273545 is about 429.5787202631.

The spelling of 79273545 in words is "seventy-nine million, two hundred seventy-three thousand, five hundred forty-five".