74287493 has 8 divisors (see below), whose sum is σ = 88591488. Its totient is φ = 60906384.

The previous prime is 74287483. The next prime is 74287517. The reversal of 74287493 is 39478247.

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

It is not a de Polignac number, because 74287493 - 2⁶ = 74287429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74287483) 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, 230546 + ... + 230867.

It is an arithmetic number, because the mean of its divisors is an integer number (11073936).

Almost surely, 2^74287493 is an apocalyptic number.

It is an amenable number.

74287493 is a deficient number, since it is larger than the sum of its proper divisors (14303995).

74287493 is a wasteful number, since it uses less digits than its factorization.

74287493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461443.

The product of its digits is 338688, while the sum is 44.

The square root of 74287493 is about 8619.0192597534. The cubic root of 74287493 is about 420.3766330546.

The spelling of 74287493 in words is "seventy-four million, two hundred eighty-seven thousand, four hundred ninety-three".