45709732 has 6 divisors (see below), whose sum is σ = 79992038. Its totient is φ = 22854864.

The previous prime is 45709723. The next prime is 45709739. The reversal of 45709732 is 23790754.

It can be written as a sum of positive squares in only one way, i.e., 42302016 + 3407716 = 6504^2 + 1846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45709691 and 45709700.

It is not an unprimeable number, because it can be changed into a prime (45709739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713713 + ... + 5713720.

Almost surely, 2^45709732 is an apocalyptic number.

It is an amenable number.

45709732 is a deficient number, since it is larger than the sum of its proper divisors (34282306).

45709732 is a wasteful number, since it uses less digits than its factorization.

45709732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427437 (or 11427435 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 45709732 is about 6760.8972777287. The cubic root of 45709732 is about 357.5495411156.

The spelling of 45709732 in words is "forty-five million, seven hundred nine thousand, seven hundred thirty-two".