7149741 has 8 divisors (see below), whose sum is σ = 10093824. Its totient is φ = 4486080.

The previous prime is 7149733. The next prime is 7149761. The reversal of 7149741 is 1479417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7149741 - 2³ = 7149733 is a prime.

It is a super-2 number, since 2×7149741² = 102237592734162, which contains 22 as substring.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70045 + ... + 70146.

It is an arithmetic number, because the mean of its divisors is an integer number (1261728).

Almost surely, 2^7149741 is an apocalyptic number.

It is an amenable number.

7149741 is a deficient number, since it is larger than the sum of its proper divisors (2944083).

7149741 is a wasteful number, since it uses less digits than its factorization.

7149741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140211.

The product of its digits is 7056, while the sum is 33.

The square root of 7149741 is about 2673.8999607315. The cubic root of 7149741 is about 192.6475261986.

The spelling of 7149741 in words is "seven million, one hundred forty-nine thousand, seven hundred forty-one".