71367240 has 64 divisors (see below), whose sum is σ = 244690560. Its totient is φ = 16312320.

The previous prime is 71367227. The next prime is 71367253. The reversal of 71367240 is 4276317.

It is an interprime number because it is at equal distance from previous prime (71367227) and next prime (71367253).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 71367198 and 71367207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41641 + ... + 43320.

It is an arithmetic number, because the mean of its divisors is an integer number (3823290).

Almost surely, 2^71367240 is an apocalyptic number.

71367240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71367240 is an abundant number, since it is smaller than the sum of its proper divisors (173323320).

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

71367240 is a wasteful number, since it uses less digits than its factorization.

71367240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84982 (or 84978 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 71367240 is about 8447.9133518284. The cubic root of 71367240 is about 414.7944789689.

The spelling of 71367240 in words is "seventy-one million, three hundred sixty-seven thousand, two hundred forty".