2972705 has 16 divisors (see below), whose sum is σ = 3873744. Its totient is φ = 2181120.

The previous prime is 2972701. The next prime is 2972729. The reversal of 2972705 is 5072792.

It can be written as a sum of positive squares in 8 ways, for example, as 625681 + 2347024 = 791^2 + 1532^2 .

It is not a de Polignac number, because 2972705 - 2² = 2972701 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 (2972701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (242109).

2^2972705 is an apocalyptic number.

It is an amenable number.

2972705 is a deficient number, since it is larger than the sum of its proper divisors (901039).

2972705 is a wasteful number, since it uses less digits than its factorization.

2972705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 2972705 is about 1724.1534154477. The cubic root of 2972705 is about 143.7862214961.

The spelling of 2972705 in words is "two million, nine hundred seventy-two thousand, seven hundred five".