7148741 has 4 divisors (see below), whose sum is σ = 7156812. Its totient is φ = 7140672.

The previous prime is 7148737. The next prime is 7148749. The reversal of 7148741 is 1478417.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1478417 = 23 ⋅64279.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 3500641 = 1910^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 7148741 - 2² = 7148737 is a prime.

It is a super-2 number, since 2×7148741² = 102208995770162, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7148698 and 7148707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148749) 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, 2516 + ... + 4541.

It is an arithmetic number, because the mean of its divisors is an integer number (1789203).

Almost surely, 2^7148741 is an apocalyptic number.

It is an amenable number.

7148741 is a deficient number, since it is larger than the sum of its proper divisors (8071).

7148741 is a wasteful number, since it uses less digits than its factorization.

7148741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070.

The product of its digits is 6272, while the sum is 32.

The square root of 7148741 is about 2673.7129614078. The cubic root of 7148741 is about 192.6385442178.

The spelling of 7148741 in words is "seven million, one hundred forty-eight thousand, seven hundred forty-one".