7930481 has 8 divisors (see below), whose sum is σ = 8572200. Its totient is φ = 7293312.

The previous prime is 7930471. The next prime is 7930529. The reversal of 7930481 is 1840397.

It can be written as a sum of positive squares in 4 ways, for example, as 625 + 7929856 = 25^2 + 2816^2 .

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

It is not a de Polignac number, because 7930481 - 2¹⁸ = 7668337 is a prime.

It is a super-2 number, since 2×7930481² = 125785057782722, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7930411) 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, 3095 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1071525).

Almost surely, 2^7930481 is an apocalyptic number.

It is an amenable number.

7930481 is a deficient number, since it is larger than the sum of its proper divisors (641719).

7930481 is a wasteful number, since it uses less digits than its factorization.

7930481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7930481 is about 2816.1109708248. The cubic root of 7930481 is about 199.4189887642.

The spelling of 7930481 in words is "seven million, nine hundred thirty thousand, four hundred eighty-one".