2715642 has 12 divisors (see below), whose sum is σ = 5883930. Its totient is φ = 905208.

The previous prime is 2715637. The next prime is 2715649. The reversal of 2715642 is 2465172.

2715642 is a `hidden beast` number, since 2 + 7 + 15 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 62001 = 1629^2 + 249^2 .

It is a super-2 number, since 2×2715642² = 14749422944328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2715649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75417 + ... + 75452.

2^2715642 is an apocalyptic number.

2715642 is an abundant number, since it is smaller than the sum of its proper divisors (3168288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2715642 is a wasteful number, since it uses less digits than its factorization.

2715642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150877 (or 150874 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2715642 is about 1647.9205077916. The cubic root of 2715642 is about 139.5160501053.

Subtracting from 2715642 its sum of digits (27), we obtain a triangular number (2715615 = T₂₃₃₀).

The spelling of 2715642 in words is "two million, seven hundred fifteen thousand, six hundred forty-two".