71442910 has 128 divisors (see below), whose sum is σ = 171859968. Its totient is φ = 20736000.

The previous prime is 71442901. The next prime is 71442911. The reversal of 71442910 is 1924417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71442911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 978634 + ... + 978706.

It is an arithmetic number, because the mean of its divisors is an integer number (1342656).

Almost surely, 2^71442910 is an apocalyptic number.

71442910 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71442910 is an abundant number, since it is smaller than the sum of its proper divisors (100417058).

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

71442910 is a wasteful number, since it uses less digits than its factorization.

71442910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 71442910 is about 8452.3907860439. The cubic root of 71442910 is about 414.9410280553.

The spelling of 71442910 in words is "seventy-one million, four hundred forty-two thousand, nine hundred ten".