71029378 has 16 divisors (see below), whose sum is σ = 124597440. Its totient is φ = 29732976.

The previous prime is 71029373. The next prime is 71029393. The reversal of 71029378 is 87392017.

It is not an unprimeable number, because it can be changed into a prime (71029373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58393 + ... + 59596.

It is an arithmetic number, because the mean of its divisors is an integer number (7787340).

Almost surely, 2^71029378 is an apocalyptic number.

71029378 is a deficient number, since it is larger than the sum of its proper divisors (53568062).

71029378 is a wasteful number, since it uses less digits than its factorization.

71029378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118041.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 71029378 is about 8427.8928564618. The cubic root of 71029378 is about 414.1388792471.

The spelling of 71029378 in words is "seventy-one million, twenty-nine thousand, three hundred seventy-eight".