2974721 has 8 divisors (see below), whose sum is σ = 3056640. Its totient is φ = 2893968.

The previous prime is 2974691. The next prime is 2974723. The reversal of 2974721 is 1274792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2974721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2974723) 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, 7295 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (382080).

2^2974721 is an apocalyptic number.

It is an amenable number.

2974721 is a deficient number, since it is larger than the sum of its proper divisors (81919).

2974721 is a wasteful number, since it uses less digits than its factorization.

2974721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its digits is 7056, while the sum is 32.

The square root of 2974721 is about 1724.7379511103. The cubic root of 2974721 is about 143.8187179956.

The spelling of 2974721 in words is "two million, nine hundred seventy-four thousand, seven hundred twenty-one".