4536497720 has 32 divisors (see below), whose sum is σ = 10243469520. Its totient is φ = 1808136960.

The previous prime is 4536497677. The next prime is 4536497723. The reversal of 4536497720 is 277946354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4536497723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190562 + ... + 213041.

Almost surely, 2^4536497720 is an apocalyptic number.

4536497720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4536497720 is an abundant number, since it is smaller than the sum of its proper divisors (5706971800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4536497720 is a wasteful number, since it uses less digits than its factorization.

4536497720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403895 (or 403891 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 4536497720 is about 67353.5278957235. The cubic root of 4536497720 is about 1655.4150491056.

The spelling of 4536497720 in words is "four billion, five hundred thirty-six million, four hundred ninety-seven thousand, seven hundred twenty".