754047949 has 4 divisors (see below), whose sum is σ = 765302464. Its totient is φ = 742793436.

The previous prime is 754047887. The next prime is 754047953. The reversal of 754047949 is 949740457.

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: 949740457 = 37 ⋅25668661.

It is a cyclic number.

It is not a de Polignac number, because 754047949 - 2¹⁵ = 754015181 is a prime.

It is a super-2 number, since 2×754047949² = 1137176618782213202, 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 (754048949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5627157 + ... + 5627290.

It is an arithmetic number, because the mean of its divisors is an integer number (191325616).

Almost surely, 2^754047949 is an apocalyptic number.

It is an amenable number.

754047949 is a deficient number, since it is larger than the sum of its proper divisors (11254515).

754047949 is a wasteful number, since it uses less digits than its factorization.

754047949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11254514.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 754047949 is about 27459.9335214053. The cubic root of 754047949 is about 910.1919447780.

The spelling of 754047949 in words is "seven hundred fifty-four million, forty-seven thousand, nine hundred forty-nine".