75874249 has 4 divisors (see below), whose sum is σ = 82771920. Its totient is φ = 68976580.

The previous prime is 75874199. The next prime is 75874259. The reversal of 75874249 is 94247857.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94247857 = 11 ⋅8567987.

It is a cyclic number.

It is not a de Polignac number, because 75874249 - 2¹¹ = 75872201 is a prime.

It is a super-2 number, since 2×75874249² = 11513803322628002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75874199 and 75874208.

It is not an unprimeable number, because it can be changed into a prime (75874259) 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, 3448819 + ... + 3448840.

It is an arithmetic number, because the mean of its divisors is an integer number (20692980).

Almost surely, 2^75874249 is an apocalyptic number.

It is an amenable number.

75874249 is a deficient number, since it is larger than the sum of its proper divisors (6897671).

75874249 is a wasteful number, since it uses less digits than its factorization.

75874249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897670.

The product of its digits is 564480, while the sum is 46.

The square root of 75874249 is about 8710.5825867160. The cubic root of 75874249 is about 423.3486070639.

The spelling of 75874249 in words is "seventy-five million, eight hundred seventy-four thousand, two hundred forty-nine".