74275231 has 8 divisors (see below), whose sum is σ = 76230000. Its totient is φ = 72327360.

The previous prime is 74275219. The next prime is 74275241. The reversal of 74275231 is 13257247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74275231 - 2¹⁵ = 74242463 is a prime.

It is a super-2 number, since 2×74275231² = 11033619880206722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74275193 and 74275202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74275241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25645 + ... + 28393.

It is an arithmetic number, because the mean of its divisors is an integer number (9528750).

Almost surely, 2^74275231 is an apocalyptic number.

74275231 is a deficient number, since it is larger than the sum of its proper divisors (1954769).

74275231 is a wasteful number, since it uses less digits than its factorization.

74275231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449.

The product of its digits is 11760, while the sum is 31.

The square root of 74275231 is about 8618.3078965653. The cubic root of 74275231 is about 420.3535024588.

The spelling of 74275231 in words is "seventy-four million, two hundred seventy-five thousand, two hundred thirty-one".