74240494 has 4 divisors (see below), whose sum is σ = 111360744. Its totient is φ = 37120246.

The previous prime is 74240483. The next prime is 74240501. The reversal of 74240494 is 49404247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49404247 = 619 ⋅79813.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18560122 + ... + 18560125.

It is an arithmetic number, because the mean of its divisors is an integer number (27840186).

Almost surely, 2^74240494 is an apocalyptic number.

74240494 is a deficient number, since it is larger than the sum of its proper divisors (37120250).

74240494 is a wasteful number, since it uses less digits than its factorization.

74240494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37120249.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 74240494 is about 8616.2923580853. The cubic root of 74240494 is about 420.2879620073.

The spelling of 74240494 in words is "seventy-four million, two hundred forty thousand, four hundred ninety-four".