74240493 has 8 divisors (see below), whose sum is σ = 102400800. Its totient is φ = 47786928.

The previous prime is 74240483. The next prime is 74240501. The reversal of 74240493 is 39404247.

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

It is not a de Polignac number, because 74240493 - 2¹² = 74236397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74240423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426583 + ... + 426756.

It is an arithmetic number, because the mean of its divisors is an integer number (12800100).

Almost surely, 2^74240493 is an apocalyptic number.

It is an amenable number.

74240493 is a deficient number, since it is larger than the sum of its proper divisors (28160307).

74240493 is a wasteful number, since it uses less digits than its factorization.

74240493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853371.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 74240493 is about 8616.2923000557. The cubic root of 74240493 is about 420.2879601202.

The spelling of 74240493 in words is "seventy-four million, two hundred forty thousand, four hundred ninety-three".