74233261 has 4 divisors (see below), whose sum is σ = 74725024. Its totient is φ = 73741500.

The previous prime is 74233249. The next prime is 74233273. The reversal of 74233261 is 16233247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (74233249) and next prime (74233273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74233261 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 (74233241) 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, 245655 + ... + 245956.

It is an arithmetic number, because the mean of its divisors is an integer number (18681256).

Almost surely, 2^74233261 is an apocalyptic number.

It is an amenable number.

74233261 is a deficient number, since it is larger than the sum of its proper divisors (491763).

74233261 is a wasteful number, since it uses less digits than its factorization.

74233261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491762.

The product of its digits is 6048, while the sum is 28.

The square root of 74233261 is about 8615.8726197641. The cubic root of 74233261 is about 420.2743124862.

The spelling of 74233261 in words is "seventy-four million, two hundred thirty-three thousand, two hundred sixty-one".