74043973 has 4 divisors (see below), whose sum is σ = 75058348. Its totient is φ = 73029600.

The previous prime is 74043971. The next prime is 74044031. The reversal of 74043973 is 37934047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34316164 + 39727809 = 5858^2 + 6303^2 .

It is a cyclic number.

It is not a de Polignac number, because 74043973 - 2¹ = 74043971 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 (74043971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507078 + ... + 507223.

It is an arithmetic number, because the mean of its divisors is an integer number (18764587).

Almost surely, 2^74043973 is an apocalyptic number.

74043973 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

74043973 is a deficient number, since it is larger than the sum of its proper divisors (1014375).

74043973 is a wasteful number, since it uses less digits than its factorization.

74043973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014374.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 74043973 is about 8604.8807661699. The cubic root of 74043973 is about 419.9167881256.

The spelling of 74043973 in words is "seventy-four million, forty-three thousand, nine hundred seventy-three".