71428910 has 16 divisors (see below), whose sum is σ = 146939616. Its totient is φ = 24489888.

The previous prime is 71428897. The next prime is 71428913. The reversal of 71428910 is 1982417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510137 + ... + 510276.

It is an arithmetic number, because the mean of its divisors is an integer number (9183726).

Almost surely, 2^71428910 is an apocalyptic number.

71428910 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71428910 is an abundant number, since it is smaller than the sum of its proper divisors (75510706).

71428910 is a wasteful number, since it uses less digits than its factorization.

71428910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020427.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 71428910 is about 8451.5625774173. The cubic root of 71428910 is about 414.9139222450.

The spelling of 71428910 in words is "seventy-one million, four hundred twenty-eight thousand, nine hundred ten".