72005788 has 6 divisors (see below), whose sum is σ = 126010136. Its totient is φ = 36002892.

The previous prime is 72005749. The next prime is 72005789. The reversal of 72005788 is 88750027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72005789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000720 + ... + 9000727.

Almost surely, 2^72005788 is an apocalyptic number.

It is an amenable number.

72005788 is a deficient number, since it is larger than the sum of its proper divisors (54004348).

72005788 is a wasteful number, since it uses less digits than its factorization.

72005788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18001451 (or 18001449 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 72005788 is about 8485.6224285553. The cubic root of 72005788 is about 416.0279120202.

The spelling of 72005788 in words is "seventy-two million, five thousand, seven hundred eighty-eight".