71478276 has 24 divisors (see below), whose sum is σ = 168315840. Its totient is φ = 23607072.

The previous prime is 71478269. The next prime is 71478283. The reversal of 71478276 is 67287417.

It is an interprime number because it is at equal distance from previous prime (71478269) and next prime (71478283).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26016 + ... + 28631.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 2^71478276 is an apocalyptic number.

It is an amenable number.

71478276 is an abundant number, since it is smaller than the sum of its proper divisors (96837564).

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

71478276 is a wasteful number, since it uses less digits than its factorization.

71478276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54763 (or 54761 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 71478276 is about 8454.4825980068. The cubic root of 71478276 is about 415.0094854367.

The spelling of 71478276 in words is "seventy-one million, four hundred seventy-eight thousand, two hundred seventy-six".