7379947 has 2 divisors, whose sum is σ = 7379948. Its totient is φ = 7379946.

The previous prime is 7379929. The next prime is 7379951. The reversal of 7379947 is 7499737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7379947 - 2¹¹ = 7377899 is a prime.

It is a super-3 number, since 3×7379947³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7379897 and 7379906.

It is not a weakly prime, because it can be changed into another prime (7379347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3689973 + 3689974.

It is an arithmetic number, because the mean of its divisors is an integer number (3689974).

Almost surely, 2^7379947 is an apocalyptic number.

7379947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7379947 is an equidigital number, since it uses as much as digits as its factorization.

7379947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 46.

The square root of 7379947 is about 2716.6057866389. The cubic root of 7379947 is about 194.6933334462.

The spelling of 7379947 in words is "seven million, three hundred seventy-nine thousand, nine hundred forty-seven".