71737045 has 16 divisors (see below), whose sum is σ = 87194880. Its totient is φ = 56655424.

The previous prime is 71737031. The next prime is 71737067. The reversal of 71737045 is 54073717.

It is not a de Polignac number, because 71737045 - 2¹¹ = 71734997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71737045.

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, 206562 + ... + 206908.

It is an arithmetic number, because the mean of its divisors is an integer number (5449680).

Almost surely, 2^71737045 is an apocalyptic number.

It is an amenable number.

71737045 is a deficient number, since it is larger than the sum of its proper divisors (15457835).

71737045 is a wasteful number, since it uses less digits than its factorization.

71737045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 71737045 is about 8469.7724290562. The cubic root of 71737045 is about 415.5096945485.

The spelling of 71737045 in words is "seventy-one million, seven hundred thirty-seven thousand, forty-five".