71430078 has 8 divisors (see below), whose sum is σ = 142860168. Its totient is φ = 23810024.

The previous prime is 71430067. The next prime is 71430089. The reversal of 71430078 is 87003417.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71430067) and next prime (71430089).

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

71430078 is an admirable number.

It is a congruent number.

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, 5952501 + ... + 5952512.

It is an arithmetic number, because the mean of its divisors is an integer number (17857521).

Almost surely, 2^71430078 is an apocalyptic number.

71430078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71430078 is a wasteful number, since it uses less digits than its factorization.

71430078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905018.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 71430078 is about 8451.6316767829. The cubic root of 71430078 is about 414.9161837795.

The spelling of 71430078 in words is "seventy-one million, four hundred thirty thousand, seventy-eight".