79407494 has 4 divisors (see below), whose sum is σ = 119111244. Its totient is φ = 39703746.

The previous prime is 79407469. The next prime is 79407499. The reversal of 79407494 is 49470497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49470497 = 59 ⋅838483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79407499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19851872 + ... + 19851875.

It is an arithmetic number, because the mean of its divisors is an integer number (29777811).

Almost surely, 2^79407494 is an apocalyptic number.

79407494 is a deficient number, since it is larger than the sum of its proper divisors (39703750).

79407494 is a wasteful number, since it uses less digits than its factorization.

79407494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39703749.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 79407494 is about 8911.0882612619. The cubic root of 79407494 is about 429.8205380553.

The spelling of 79407494 in words is "seventy-nine million, four hundred seven thousand, four hundred ninety-four".