45727038 has 64 divisors (see below), whose sum is σ = 117112320. Its totient is φ = 12954816.

The previous prime is 45727037. The next prime is 45727039. The reversal of 45727038 is 83072754.

It is an interprime number because it is at equal distance from previous prime (45727037) and next prime (45727039).

It is a junction number, because it is equal to n+sod(n) for n = 45726993 and 45727011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45727037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51345 + ... + 52227.

It is an arithmetic number, because the mean of its divisors is an integer number (1829880).

Almost surely, 2^45727038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45727038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58556160).

45727038 is an abundant number, since it is smaller than the sum of its proper divisors (71385282).

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

45727038 is a wasteful number, since it uses less digits than its factorization.

45727038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 45727038 is about 6762.1770163166. The cubic root of 45727038 is about 357.5946589446.

It can be divided in two parts, 457 and 27038, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 45727038 in words is "forty-five million, seven hundred twenty-seven thousand, thirty-eight".