71914668 has 48 divisors (see below), whose sum is σ = 197965824. Its totient is φ = 19883520.

The previous prime is 71914663. The next prime is 71914673. The reversal of 71914668 is 86641917.

It is an interprime number because it is at equal distance from previous prime (71914663) and next prime (71914673).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (71914663) 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 15 ways as a sum of consecutive naturals, for example, 11205 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (4124288).

Almost surely, 2^71914668 is an apocalyptic number.

It is an amenable number.

71914668 is an abundant number, since it is smaller than the sum of its proper divisors (126051156).

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

71914668 is a wasteful number, since it uses less digits than its factorization.

71914668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27662 (or 27660 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 71914668 is about 8480.2516472095. The cubic root of 71914668 is about 415.8523499063.

The spelling of 71914668 in words is "seventy-one million, nine hundred fourteen thousand, six hundred sixty-eight".