71149370 has 8 divisors (see below), whose sum is σ = 128068884. Its totient is φ = 28459744.

The previous prime is 71149367. The next prime is 71149381. The reversal of 71149370 is 7394117.

It can be written as a sum of positive squares in 2 ways, for example, as 70241161 + 908209 = 8381^2 + 953^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557459 + ... + 3557478.

Almost surely, 2^71149370 is an apocalyptic number.

71149370 is a deficient number, since it is larger than the sum of its proper divisors (56919514).

71149370 is a wasteful number, since it uses less digits than its factorization.

71149370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114944.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 71149370 is about 8435.0085951349. The cubic root of 71149370 is about 414.3719536792.

The spelling of 71149370 in words is "seventy-one million, one hundred forty-nine thousand, three hundred seventy".