79654493 has 4 divisors (see below), whose sum is σ = 79695168. Its totient is φ = 79613820.

The previous prime is 79654489. The next prime is 79654499. The reversal of 79654493 is 39445697.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79654493 - 2² = 79654489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79654499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17243 + ... + 21368.

It is an arithmetic number, because the mean of its divisors is an integer number (19923792).

Almost surely, 2^79654493 is an apocalyptic number.

It is an amenable number.

79654493 is a deficient number, since it is larger than the sum of its proper divisors (40675).

79654493 is a wasteful number, since it uses less digits than its factorization.

79654493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40674.

The product of its digits is 816480, while the sum is 47.

The square root of 79654493 is about 8924.9365824077. The cubic root of 79654493 is about 430.2657326292.

The spelling of 79654493 in words is "seventy-nine million, six hundred fifty-four thousand, four hundred ninety-three".