2997745 has 16 divisors (see below), whose sum is σ = 3750912. Its totient is φ = 2298240.

The previous prime is 2997737. The next prime is 2997767. The reversal of 2997745 is 5477992.

It is not a de Polignac number, because 2997745 - 2³ = 2997737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15600 + ... + 15790.

It is an arithmetic number, because the mean of its divisors is an integer number (234432).

2^2997745 is an apocalyptic number.

It is an amenable number.

2997745 is a deficient number, since it is larger than the sum of its proper divisors (753167).

2997745 is a wasteful number, since it uses less digits than its factorization.

2997745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 158760, while the sum is 43.

The square root of 2997745 is about 1731.3997227677. The cubic root of 2997745 is about 144.1888116086.

The spelling of 2997745 in words is "two million, nine hundred ninety-seven thousand, seven hundred forty-five".