45729774 has 24 divisors (see below), whose sum is σ = 102278592. Its totient is φ = 14751360.

The previous prime is 45729757. The next prime is 45729797. The reversal of 45729774 is 47792754.

45729774 is a `hidden beast` number, since 4 + 572 + 9 + 7 + 74 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 40419 + ... + 41534.

It is an arithmetic number, because the mean of its divisors is an integer number (4261608).

Almost surely, 2^45729774 is an apocalyptic number.

45729774 is an abundant number, since it is smaller than the sum of its proper divisors (56548818).

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

45729774 is a wasteful number, since it uses less digits than its factorization.

45729774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81992 (or 81989 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 45729774 is about 6762.3793150044. The cubic root of 45729774 is about 357.6017908263.

The spelling of 45729774 in words is "forty-five million, seven hundred twenty-nine thousand, seven hundred seventy-four".