2757307946 has 4 divisors (see below), whose sum is σ = 4135961922. Its totient is φ = 1378653972.

The previous prime is 2757307901. The next prime is 2757307951. The reversal of 2757307946 is 6497037572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2637952321 + 119355625 = 51361^2 + 10925^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2757307894 and 2757307903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689326985 + ... + 689326988.

Almost surely, 2^2757307946 is an apocalyptic number.

2757307946 is a deficient number, since it is larger than the sum of its proper divisors (1378653976).

2757307946 is a wasteful number, since it uses less digits than its factorization.

2757307946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378653975.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The square root of 2757307946 is about 52510.0747095260. The cubic root of 2757307946 is about 1402.2596071429.

The spelling of 2757307946 in words is "two billion, seven hundred fifty-seven million, three hundred seven thousand, nine hundred forty-six".