71442465 has 16 divisors (see below), whose sum is σ = 115756800. Its totient is φ = 37619712.

The previous prime is 71442461. The next prime is 71442467. The reversal of 71442465 is 56424417.

It is not a de Polignac number, because 71442465 - 2² = 71442461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71442461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28960 + ... + 31329.

It is an arithmetic number, because the mean of its divisors is an integer number (7234800).

Almost surely, 2^71442465 is an apocalyptic number.

It is an amenable number.

71442465 is a deficient number, since it is larger than the sum of its proper divisors (44314335).

71442465 is a wasteful number, since it uses less digits than its factorization.

71442465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60376.

The product of its digits is 26880, while the sum is 33.

The square root of 71442465 is about 8452.3644620899. The cubic root of 71442465 is about 414.9401665323.

The spelling of 71442465 in words is "seventy-one million, four hundred forty-two thousand, four hundred sixty-five".