45174729 has 16 divisors (see below), whose sum is σ = 64048320. Its totient is φ = 28224000.

The previous prime is 45174653. The next prime is 45174733. The reversal of 45174729 is 92747154.

It is not a de Polignac number, because 45174729 - 2¹¹ = 45172681 is a prime.

It is a super-2 number, since 2×45174729² = 4081512280446882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45174769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11037 + ... + 14565.

It is an arithmetic number, because the mean of its divisors is an integer number (4003020).

Almost surely, 2^45174729 is an apocalyptic number.

It is an amenable number.

45174729 is a deficient number, since it is larger than the sum of its proper divisors (18873591).

45174729 is a wasteful number, since it uses less digits than its factorization.

45174729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800.

The product of its digits is 70560, while the sum is 39.

The square root of 45174729 is about 6721.2148455469. The cubic root of 45174729 is about 356.1491006343.

The spelling of 45174729 in words is "forty-five million, one hundred seventy-four thousand, seven hundred twenty-nine".