71470736 has 20 divisors (see below), whose sum is σ = 138709872. Its totient is φ = 35674656.

The previous prime is 71470727. The next prime is 71470739. The reversal of 71470736 is 63707417.

It is a super-2 number, since 2×71470736² = 10216132208763392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71470696 and 71470705.

It is not an unprimeable number, because it can be changed into a prime (71470739) 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, 6815 + ... + 13761.

Almost surely, 2^71470736 is an apocalyptic number.

It is an amenable number.

71470736 is a deficient number, since it is larger than the sum of its proper divisors (67239136).

71470736 is a wasteful number, since it uses less digits than its factorization.

71470736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7592 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 71470736 is about 8454.0366689529. The cubic root of 71470736 is about 414.9948922776.

The spelling of 71470736 in words is "seventy-one million, four hundred seventy thousand, seven hundred thirty-six".