71450707 has 4 divisors (see below), whose sum is σ = 71470000. Its totient is φ = 71431416.

The previous prime is 71450689. The next prime is 71450759. The reversal of 71450707 is 70705417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70705417 = 149 ⋅474533.

It is a cyclic number.

It is not a de Polignac number, because 71450707 - 2¹⁵ = 71417939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71450767) 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, 2148 + ... + 12145.

It is an arithmetic number, because the mean of its divisors is an integer number (17867500).

Almost surely, 2^71450707 is an apocalyptic number.

71450707 is a deficient number, since it is larger than the sum of its proper divisors (19293).

71450707 is a wasteful number, since it uses less digits than its factorization.

71450707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 71450707 is about 8452.8520039097. The cubic root of 71450707 is about 414.9561225203.

The spelling of 71450707 in words is "seventy-one million, four hundred fifty thousand, seven hundred seven".