74115494 has 4 divisors (see below), whose sum is σ = 111173244. Its totient is φ = 37057746.

The previous prime is 74115491. The next prime is 74115511. The reversal of 74115494 is 49451147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49451147 = 17 ⋅2908891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74115491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18528872 + ... + 18528875.

It is an arithmetic number, because the mean of its divisors is an integer number (27793311).

Almost surely, 2^74115494 is an apocalyptic number.

74115494 is a deficient number, since it is larger than the sum of its proper divisors (37057750).

74115494 is a wasteful number, since it uses less digits than its factorization.

74115494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37057749.

The product of its digits is 20160, while the sum is 35.

The square root of 74115494 is about 8609.0356022031. The cubic root of 74115494 is about 420.0519474673.

The spelling of 74115494 in words is "seventy-four million, one hundred fifteen thousand, four hundred ninety-four".