45739628 has 12 divisors (see below), whose sum is σ = 87321192. Its totient is φ = 20790720.

The previous prime is 45739621. The next prime is 45739637. The reversal of 45739628 is 82693754.

It is a super-2 number, since 2×45739628² = 4184227139156768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1039537 = 45739628 / (4 + 5 + 7 + 3 + 9 + 6 + 2 + 8).

It is not an unprimeable number, because it can be changed into a prime (45739621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519725 + ... + 519812.

It is an arithmetic number, because the mean of its divisors is an integer number (7276766).

Almost surely, 2^45739628 is an apocalyptic number.

It is an amenable number.

45739628 is a deficient number, since it is larger than the sum of its proper divisors (41581564).

45739628 is a wasteful number, since it uses less digits than its factorization.

45739628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039552 (or 1039550 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 45739628 is about 6763.1078654713. The cubic root of 45739628 is about 357.6274747127.

The spelling of 45739628 in words is "forty-five million, seven hundred thirty-nine thousand, six hundred twenty-eight".