7149799 has 2 divisors, whose sum is σ = 7149800. Its totient is φ = 7149798.

The previous prime is 7149767. The next prime is 7149811. The reversal of 7149799 is 9979417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7149799 - 2⁵ = 7149767 is a prime.

It is a super-2 number, since 2×7149799² = 102239251480802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7149599) 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 as a sum of consecutive naturals, namely, 3574899 + 3574900.

It is an arithmetic number, because the mean of its divisors is an integer number (3574900).

Almost surely, 2^7149799 is an apocalyptic number.

7149799 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149799 is an equidigital number, since it uses as much as digits as its factorization.

7149799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 46.

The square root of 7149799 is about 2673.9108062910. The cubic root of 7149799 is about 192.6480471278.

It can be divided in two parts, 71497 and 99, that multiplied together give a triangular number (7078203 = T₃₇₆₂).

The spelling of 7149799 in words is "seven million, one hundred forty-nine thousand, seven hundred ninety-nine".