71760399 has 16 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 46349600.

The previous prime is 71760317. The next prime is 71760431. The reversal of 71760399 is 99306717.

It is a cyclic number.

It is not a de Polignac number, because 71760399 - 2¹⁵ = 71727631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71760399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71760499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11722 + ... + 16760.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^71760399 is an apocalyptic number.

71760399 is a deficient number, since it is larger than the sum of its proper divisors (26942961).

71760399 is a wasteful number, since it uses less digits than its factorization.

71760399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 71760399 is about 8471.1509843704. The cubic root of 71760399 is about 415.5547793931.

It can be divided in two parts, 717 and 60399, that added together give a palindrome (61116).

The spelling of 71760399 in words is "seventy-one million, seven hundred sixty thousand, three hundred ninety-nine".