71149274 has 12 divisors (see below), whose sum is σ = 124148394. Its totient is φ = 30492504.

The previous prime is 71149271. The next prime is 71149277. The reversal of 71149274 is 47294117.

It is an interprime number because it is at equal distance from previous prime (71149271) and next prime (71149277).

It can be written as a sum of positive squares in only one way, i.e., 71149225 + 49 = 8435^2 + 7^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (71149271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362909 + ... + 363104.

Almost surely, 2^71149274 is an apocalyptic number.

71149274 is a deficient number, since it is larger than the sum of its proper divisors (52999120).

71149274 is a wasteful number, since it uses less digits than its factorization.

71149274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726029 (or 726022 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 71149274 is about 8435.0029045638. The cubic root of 71149274 is about 414.3717673120.

The spelling of 71149274 in words is "seventy-one million, one hundred forty-nine thousand, two hundred seventy-four".