74744733 has 32 divisors (see below), whose sum is σ = 125853696. Its totient is φ = 38446848.

The previous prime is 74744729. The next prime is 74744749. The reversal of 74744733 is 33744747.

It is not a de Polignac number, because 74744733 - 2² = 74744729 is a prime.

It is a super-2 number, since 2×74744733² = 11173550222482578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74744691 and 74744700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74744723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3660 + ... + 12762.

It is an arithmetic number, because the mean of its divisors is an integer number (3932928).

Almost surely, 2^74744733 is an apocalyptic number.

It is an amenable number.

74744733 is a deficient number, since it is larger than the sum of its proper divisors (51108963).

74744733 is a wasteful number, since it uses less digits than its factorization.

74744733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153.

The product of its digits is 197568, while the sum is 39.

The square root of 74744733 is about 8645.5036290548. The cubic root of 74744733 is about 421.2373432023.

It can be divided in two parts, 7 and 4744733, that added together give a triangular number (4744740 = T₃₀₈₀).

The spelling of 74744733 in words is "seventy-four million, seven hundred forty-four thousand, seven hundred thirty-three".