675374749 has 4 divisors (see below), whose sum is σ = 771856864. Its totient is φ = 578892636.

The previous prime is 675374719. The next prime is 675374761. The reversal of 675374749 is 947473576.

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 not a de Polignac number, because 675374749 - 2¹¹ = 675372701 is a prime.

It is a super-2 number, since 2×675374749² = 912262103173626002, 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 = 675374696 and 675374705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675374719) 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 3 ways as a sum of consecutive naturals, for example, 48241047 + ... + 48241060.

It is an arithmetic number, because the mean of its divisors is an integer number (192964216).

Almost surely, 2^675374749 is an apocalyptic number.

It is an amenable number.

675374749 is a deficient number, since it is larger than the sum of its proper divisors (96482115).

675374749 is an equidigital number, since it uses as much as digits as its factorization.

675374749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96482114.

The product of its digits is 4445280, while the sum is 52.

The square root of 675374749 is about 25987.9731606757. The cubic root of 675374749 is about 877.3676281307.

The spelling of 675374749 in words is "six hundred seventy-five million, three hundred seventy-four thousand, seven hundred forty-nine".