71237049 has 48 divisors (see below), whose sum is σ = 110678400. Its totient is φ = 40634880.

The previous prime is 71237041. The next prime is 71237053. The reversal of 71237049 is 94073217.

It is not a de Polignac number, because 71237049 - 2³ = 71237041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71237041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478027 + ... + 478175.

It is an arithmetic number, because the mean of its divisors is an integer number (2305800).

Almost surely, 2^71237049 is an apocalyptic number.

It is an amenable number.

71237049 is a deficient number, since it is larger than the sum of its proper divisors (39441351).

71237049 is a wasteful number, since it uses less digits than its factorization.

71237049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 71237049 is about 8440.2043221714. The cubic root of 71237049 is about 414.5420971609.

The spelling of 71237049 in words is "seventy-one million, two hundred thirty-seven thousand, forty-nine".