7149734 has 16 divisors (see below), whose sum is σ = 11432448. Its totient is φ = 3345672.

The previous prime is 7149733. The next prime is 7149761. The reversal of 7149734 is 4379417.

It is a super-2 number, since 2×7149734² = 102237392541512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7149694 and 7149703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149731) 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 7 ways as a sum of consecutive naturals, for example, 509 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (714528).

Almost surely, 2^7149734 is an apocalyptic number.

7149734 is a deficient number, since it is larger than the sum of its proper divisors (4282714).

7149734 is a wasteful number, since it uses less digits than its factorization.

7149734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379.

The product of its digits is 21168, while the sum is 35.

The square root of 7149734 is about 2673.8986517817. The cubic root of 7149734 is about 192.6474633277.

The spelling of 7149734 in words is "seven million, one hundred forty-nine thousand, seven hundred thirty-four".