71478026 has 8 divisors (see below), whose sum is σ = 109240164. Its totient is φ = 35064640.

The previous prime is 71477993. The next prime is 71478049. The reversal of 71478026 is 62087417.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70476025 + 1002001 = 8395^2 + 1001^2 .

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, 337055 + ... + 337266.

Almost surely, 2^71478026 is an apocalyptic number.

71478026 is a deficient number, since it is larger than the sum of its proper divisors (37762138).

71478026 is a wasteful number, since it uses less digits than its factorization.

71478026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674376.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 71478026 is about 8454.4678129377. The cubic root of 71478026 is about 415.0090015950.

The spelling of 71478026 in words is "seventy-one million, four hundred seventy-eight thousand, twenty-six".