74498845 has 16 divisors (see below), whose sum is σ = 96970608. Its totient is φ = 54722560.

The previous prime is 74498843. The next prime is 74498849. The reversal of 74498845 is 54889447.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15100996 + 59397849 = 3886^2 + 7707^2 .

It is not a de Polignac number, because 74498845 - 2¹ = 74498843 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 (74498843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7204 + ... + 14173.

It is an arithmetic number, because the mean of its divisors is an integer number (6060663).

Almost surely, 2^74498845 is an apocalyptic number.

It is an amenable number.

74498845 is a deficient number, since it is larger than the sum of its proper divisors (22471763).

74498845 is a wasteful number, since it uses less digits than its factorization.

74498845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21440.

The product of its digits is 1290240, while the sum is 49.

The square root of 74498845 is about 8631.2713432032. The cubic root of 74498845 is about 420.7749204507.

The spelling of 74498845 in words is "seventy-four million, four hundred ninety-eight thousand, eight hundred forty-five".