545072736 has 48 divisors (see below), whose sum is σ = 1540882224. Its totient is φ = 167714304.

The previous prime is 545072729. The next prime is 545072747. The reversal of 545072736 is 637270545.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 545072694 and 545072703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217131 + ... + 219626.

It is an arithmetic number, because the mean of its divisors is an integer number (32101713).

Almost surely, 2^545072736 is an apocalyptic number.

It is an amenable number.

545072736 is an abundant number, since it is smaller than the sum of its proper divisors (995809488).

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

545072736 is a wasteful number, since it uses less digits than its factorization.

545072736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436783 (or 436775 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 545072736 is about 23346.7928418445. The cubic root of 545072736 is about 816.8672536485.

The spelling of 545072736 in words is "five hundred forty-five million, seventy-two thousand, seven hundred thirty-six".