71398276 has 12 divisors (see below), whose sum is σ = 131523280. Its totient is φ = 33820200.

The previous prime is 71398253. The next prime is 71398277. The reversal of 71398276 is 67289317.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (71398277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469650 + ... + 469801.

Almost surely, 2^71398276 is an apocalyptic number.

71398276 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71398276 is a deficient number, since it is larger than the sum of its proper divisors (60125004).

71398276 is a wasteful number, since it uses less digits than its factorization.

71398276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939474 (or 939472 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 71398276 is about 8449.7500554750. The cubic root of 71398276 is about 414.8545985035.

It can be divided in two parts, 713 and 98276, that added together give a palindrome (98989).

The spelling of 71398276 in words is "seventy-one million, three hundred ninety-eight thousand, two hundred seventy-six".