7974649 has 8 divisors (see below), whose sum is σ = 8563968. Its totient is φ = 7398720.

The previous prime is 7974643. The next prime is 7974653. The reversal of 7974649 is 9464797.

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

It is a cyclic number.

It is not a de Polignac number, because 7974649 - 2³ = 7974641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7974599 and 7974608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974641) 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, 2097 + ... + 4510.

It is an arithmetic number, because the mean of its divisors is an integer number (1070496).

Almost surely, 2^7974649 is an apocalyptic number.

It is an amenable number.

7974649 is a deficient number, since it is larger than the sum of its proper divisors (589319).

7974649 is a wasteful number, since it uses less digits than its factorization.

7974649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its digits is 381024, while the sum is 46.

The square root of 7974649 is about 2823.9421028059. The cubic root of 7974649 is about 199.7885181226.

The spelling of 7974649 in words is "seven million, nine hundred seventy-four thousand, six hundred forty-nine".