71479788 has 24 divisors (see below), whose sum is σ = 166959408. Its totient is φ = 23801856.

The previous prime is 71479787. The next prime is 71479789. The reversal of 71479788 is 88797417.

It is an interprime number because it is at equal distance from previous prime (71479787) and next prime (71479789).

It is a self number, because there is not a number n which added to its sum of digits gives 71479788.

It is not an unprimeable number, because it can be changed into a prime (71479787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11820 + ... + 16812.

It is an arithmetic number, because the mean of its divisors is an integer number (6956642).

Almost surely, 2^71479788 is an apocalyptic number.

It is an amenable number.

71479788 is an abundant number, since it is smaller than the sum of its proper divisors (95479620).

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

71479788 is a wasteful number, since it uses less digits than its factorization.

71479788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193 (or 6191 counting only the distinct ones).

The product of its digits is 790272, while the sum is 51.

The square root of 71479788 is about 8454.5720175536. The cubic root of 71479788 is about 415.0124116867.

The spelling of 71479788 in words is "seventy-one million, four hundred seventy-nine thousand, seven hundred eighty-eight".