4742075749 has 4 divisors (see below), whose sum is σ = 4742214336. Its totient is φ = 4741937164.

The previous prime is 4742075743. The next prime is 4742075759. The reversal of 4742075749 is 9475702474.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4742075749 - 2⁵ = 4742075717 is a prime.

It is a super-2 number, since 2×4742075749² = 44974564818507822002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742075743) 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, 23082 + ... + 100084.

It is an arithmetic number, because the mean of its divisors is an integer number (1185553584).

Almost surely, 2^4742075749 is an apocalyptic number.

It is an amenable number.

4742075749 is a deficient number, since it is larger than the sum of its proper divisors (138587).

4742075749 is an equidigital number, since it uses as much as digits as its factorization.

4742075749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138586.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The square root of 4742075749 is about 68862.7312049123. The cubic root of 4742075749 is about 1680.0524063631.

The spelling of 4742075749 in words is "four billion, seven hundred forty-two million, seventy-five thousand, seven hundred forty-nine".