74291043 has 4 divisors (see below), whose sum is σ = 99054728. Its totient is φ = 49527360.

The previous prime is 74290991. The next prime is 74291093. The reversal of 74291043 is 34019247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34019247 = 3 ⋅11339749.

It is not a de Polignac number, because 74291043 - 2¹⁶ = 74225507 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 74291043.

It is not an unprimeable number, because it can be changed into a prime (74291093) 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, 12381838 + ... + 12381843.

It is an arithmetic number, because the mean of its divisors is an integer number (24763682).

Almost surely, 2^74291043 is an apocalyptic number.

74291043 is a deficient number, since it is larger than the sum of its proper divisors (24763685).

74291043 is a wasteful number, since it uses less digits than its factorization.

74291043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24763684.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 74291043 is about 8619.2251971973. The cubic root of 74291043 is about 420.3833291718.

The spelling of 74291043 in words is "seventy-four million, two hundred ninety-one thousand, forty-three".