74280983 has 8 divisors (see below), whose sum is σ = 85268352. Its totient is φ = 63387576.

The previous prime is 74280979. The next prime is 74281001. The reversal of 74280983 is 38908247.

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

It is not a de Polignac number, because 74280983 - 2² = 74280979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74280983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74280953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21785 + ... + 24962.

It is an arithmetic number, because the mean of its divisors is an integer number (10658544).

Almost surely, 2^74280983 is an apocalyptic number.

74280983 is a deficient number, since it is larger than the sum of its proper divisors (10987369).

74280983 is a wasteful number, since it uses less digits than its factorization.

74280983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46981.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 74280983 is about 8618.6415983031. The cubic root of 74280983 is about 420.3643531417.

The spelling of 74280983 in words is "seventy-four million, two hundred eighty thousand, nine hundred eighty-three".