71248037 has 24 divisors (see below), whose sum is σ = 88710720. Its totient is φ = 56010240.

The previous prime is 71248031. The next prime is 71248049. The reversal of 71248037 is 73084217.

It is a happy number.

It is not a de Polignac number, because 71248037 - 2⁶ = 71247973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71247994 and 71248012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71248031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82514 + ... + 83372.

It is an arithmetic number, because the mean of its divisors is an integer number (3696280).

Almost surely, 2^71248037 is an apocalyptic number.

It is an amenable number.

71248037 is a deficient number, since it is larger than the sum of its proper divisors (17462683).

71248037 is a wasteful number, since it uses less digits than its factorization.

71248037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 71248037 is about 8440.8552291815. The cubic root of 71248037 is about 414.5634098274.

The spelling of 71248037 in words is "seventy-one million, two hundred forty-eight thousand, thirty-seven".