7149474 has 24 divisors (see below), whose sum is σ = 15705612. Its totient is φ = 2350080.

The previous prime is 7149463. The next prime is 7149479. The reversal of 7149474 is 4749417.

It can be written as a sum of positive squares in 2 ways, for example, as 6985449 + 164025 = 2643^2 + 405^2 .

It is a super-2 number, since 2×7149474² = 102229956953352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7149479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407 + ... + 4034.

Almost surely, 2^7149474 is an apocalyptic number.

7149474 is an abundant number, since it is smaller than the sum of its proper divisors (8556138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7149474 is a wasteful number, since it uses less digits than its factorization.

7149474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5519 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 7149474 is about 2673.8500331918. The cubic root of 7149474 is about 192.6451280917.

The spelling of 7149474 in words is "seven million, one hundred forty-nine thousand, four hundred seventy-four".