7490147 has 4 divisors (see below), whose sum is σ = 8560176. Its totient is φ = 6420120.

The previous prime is 7490143. The next prime is 7490159. The reversal of 7490147 is 7410947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7410947 = 443 ⋅16729.

It is not a de Polignac number, because 7490147 - 2² = 7490143 is a prime.

It is a super-2 number, since 2×7490147² = 112204604163218, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7490141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535004 + ... + 535017.

It is an arithmetic number, because the mean of its divisors is an integer number (2140044).

Almost surely, 2^7490147 is an apocalyptic number.

7490147 is a deficient number, since it is larger than the sum of its proper divisors (1070029).

7490147 is a wasteful number, since it uses less digits than its factorization.

7490147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070028.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 7490147 is about 2736.8132928645. The cubic root of 7490147 is about 195.6576262921.

The spelling of 7490147 in words is "seven million, four hundred ninety thousand, one hundred forty-seven".