79457146 has 8 divisors (see below), whose sum is σ = 119810304. Its totient is φ = 39520380.

The previous prime is 79457141. The next prime is 79457149. The reversal of 79457146 is 64175497.

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

It is a super-3 number, since 3×79457146³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79457141) 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, 103620 + ... + 104383.

It is an arithmetic number, because the mean of its divisors is an integer number (14976288).

Almost surely, 2^79457146 is an apocalyptic number.

79457146 is a deficient number, since it is larger than the sum of its proper divisors (40353158).

79457146 is a wasteful number, since it uses less digits than its factorization.

79457146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208196.

The product of its digits is 211680, while the sum is 43.

The square root of 79457146 is about 8913.8737931384. The cubic root of 79457146 is about 429.9101055998.

The spelling of 79457146 in words is "seventy-nine million, four hundred fifty-seven thousand, one hundred forty-six".