3074621749 has 8 divisors (see below), whose sum is σ = 3094728120. Its totient is φ = 3054561216.

The previous prime is 3074621723. The next prime is 3074621783. The reversal of 3074621749 is 9471264703.

It can be written as a sum of positive squares in 4 ways, for example, as 1000456900 + 2074164849 = 31630^2 + 45543^2 .

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 3074621749 - 2⁷ = 3074621621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3074621549) 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, 128667 + ... + 150679.

It is an arithmetic number, because the mean of its divisors is an integer number (386841015).

Almost surely, 2^3074621749 is an apocalyptic number.

It is an amenable number.

3074621749 is a deficient number, since it is larger than the sum of its proper divisors (20106371).

3074621749 is a wasteful number, since it uses less digits than its factorization.

3074621749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22919.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 3074621749 is about 55449.2718527484. The cubic root of 3074621749 is about 1454.1099013036.

The spelling of 3074621749 in words is "three billion, seventy-four million, six hundred twenty-one thousand, seven hundred forty-nine".