74097261 has 60 divisors (see below), whose sum is σ = 130504192. Its totient is φ = 42007896.

The previous prime is 74097259. The next prime is 74097269. The reversal of 74097261 is 16279047.

It is a happy number.

It is not a de Polignac number, because 74097261 - 2¹ = 74097259 is a prime.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 74097261 = 21³ + 420³ = 154³ + 413³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74097269) 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 59 ways as a sum of consecutive naturals, for example, 583380 + ... + 583506.

Almost surely, 2^74097261 is an apocalyptic number.

It is an amenable number.

74097261 is a deficient number, since it is larger than the sum of its proper divisors (56406931).

74097261 is an frugal number, since it uses more digits than its factorization.

74097261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 74097261 is about 8607.9765915109. The cubic root of 74097261 is about 420.0174992709.

The spelling of 74097261 in words is "seventy-four million, ninety-seven thousand, two hundred sixty-one".