2715945 has 8 divisors (see below), whose sum is σ = 4345536. Its totient is φ = 1448496.

The previous prime is 2715931. The next prime is 2715949. The reversal of 2715945 is 5495172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2715945 - 2⁴ = 2715929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2715949) 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, 90517 + ... + 90546.

It is an arithmetic number, because the mean of its divisors is an integer number (543192).

2^2715945 is an apocalyptic number.

It is an amenable number.

2715945 is a deficient number, since it is larger than the sum of its proper divisors (1629591).

2715945 is a wasteful number, since it uses less digits than its factorization.

2715945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181071.

The product of its digits is 12600, while the sum is 33.

The square root of 2715945 is about 1648.0124392734. The cubic root of 2715945 is about 139.5212387852.

It can be divided in two parts, 271 and 5945, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 2715945 in words is "two million, seven hundred fifteen thousand, nine hundred forty-five".