7949471 has 4 divisors (see below), whose sum is σ = 7975344. Its totient is φ = 7923600.

The previous prime is 7949443. The next prime is 7949497. The reversal of 7949471 is 1749497.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7949471 - 2¹⁸ = 7687327 is a prime.

It is a super-3 number, since 3×7949471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7949401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12470 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (1993836).

Almost surely, 2^7949471 is an apocalyptic number.

7949471 is a deficient number, since it is larger than the sum of its proper divisors (25873).

7949471 is a wasteful number, since it uses less digits than its factorization.

7949471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25872.

The product of its digits is 63504, while the sum is 41.

The square root of 7949471 is about 2819.4806259310. The cubic root of 7949471 is about 199.5780353553.

The spelling of 7949471 in words is "seven million, nine hundred forty-nine thousand, four hundred seventy-one".