79453394 has 4 divisors (see below), whose sum is σ = 119180094. Its totient is φ = 39726696.

The previous prime is 79453343. The next prime is 79453411. The reversal of 79453394 is 49335497.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 6436369 = 8545^2 + 2537^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19863347 + ... + 19863350.

Almost surely, 2^79453394 is an apocalyptic number.

79453394 is a deficient number, since it is larger than the sum of its proper divisors (39726700).

79453394 is a wasteful number, since it uses less digits than its factorization.

79453394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39726699.

The product of its digits is 408240, while the sum is 44.

The square root of 79453394 is about 8913.6633322108. The cubic root of 79453394 is about 429.9033386477.

The spelling of 79453394 in words is "seventy-nine million, four hundred fifty-three thousand, three hundred ninety-four".