7390047 has 16 divisors (see below), whose sum is σ = 11566592. Its totient is φ = 4108320.

The previous prime is 7390043. The next prime is 7390051. The reversal of 7390047 is 7400937.

It is an interprime number because it is at equal distance from previous prime (7390043) and next prime (7390051).

It is not a de Polignac number, because 7390047 - 2² = 7390043 is a prime.

It is a super-2 number, since 2×7390047² = 109225589324418, which contains 22 as substring.

It is a Duffinian number.

7390047 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7389996 and 7390023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7390043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (722912).

Almost surely, 2^7390047 is an apocalyptic number.

7390047 is a deficient number, since it is larger than the sum of its proper divisors (4176545).

7390047 is a wasteful number, since it uses less digits than its factorization.

7390047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 7390047 is about 2718.4640884146. The cubic root of 7390047 is about 194.7821103392.

The spelling of 7390047 in words is "seven million, three hundred ninety thousand, forty-seven".