71406064 has 10 divisors (see below), whose sum is σ = 138349280. Its totient is φ = 35703024.

The previous prime is 71406043. The next prime is 71406067. The reversal of 71406064 is 46060417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71406067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2231424 + ... + 2231455.

It is an arithmetic number, because the mean of its divisors is an integer number (13834928).

Almost surely, 2^71406064 is an apocalyptic number.

It is an amenable number.

71406064 is a deficient number, since it is larger than the sum of its proper divisors (66943216).

71406064 is a wasteful number, since it uses less digits than its factorization.

71406064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462887 (or 4462881 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 71406064 is about 8450.2108849425. The cubic root of 71406064 is about 414.8696818282.

The spelling of 71406064 in words is "seventy-one million, four hundred six thousand, sixty-four".