79673253 has 8 divisors (see below), whose sum is σ = 115888416. Its totient is φ = 48286800.

The previous prime is 79673239. The next prime is 79673263. The reversal of 79673253 is 35237697.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79673253 - 2⁵ = 79673221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79673263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207138 + ... + 1207203.

It is an arithmetic number, because the mean of its divisors is an integer number (14486052).

Almost surely, 2^79673253 is an apocalyptic number.

It is an amenable number.

79673253 is a deficient number, since it is larger than the sum of its proper divisors (36215163).

79673253 is a wasteful number, since it uses less digits than its factorization.

79673253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414355.

The product of its digits is 238140, while the sum is 42.

The square root of 79673253 is about 8925.9875083937. The cubic root of 79673253 is about 430.2995082989.

Subtracting from 79673253 its reverse (35237697), we obtain a square (44435556 = 6666²).

The spelling of 79673253 in words is "seventy-nine million, six hundred seventy-three thousand, two hundred fifty-three".