71413340 has 48 divisors (see below), whose sum is σ = 153213984. Its totient is φ = 27955200.

The previous prime is 71413337. The next prime is 71413373. The reversal of 71413340 is 4331417.

It is a super-5 number, since 5×71413340⁵ (a number of 40 digits) contains 55555 as substring.

It is a congruent number.

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, 254000 + ... + 254280.

It is an arithmetic number, because the mean of its divisors is an integer number (3191958).

Almost surely, 2^71413340 is an apocalyptic number.

It is an amenable number.

71413340 is an abundant number, since it is smaller than the sum of its proper divisors (81800644).

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

71413340 is a wasteful number, since it uses less digits than its factorization.

71413340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 71413340 is about 8450.6413957758. The cubic root of 71413340 is about 414.8837725516.

Adding to 71413340 its reverse (4331417), we get a palindrome (75744757).

The spelling of 71413340 in words is "seventy-one million, four hundred thirteen thousand, three hundred forty".