74570036 has 6 divisors (see below), whose sum is σ = 130497570. Its totient is φ = 37285016.

The previous prime is 74569987. The next prime is 74570039. The reversal of 74570036 is 63007547.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 4177936 = 8390^2 + 2044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74569984 and 74570011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74570039) 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 as a sum of consecutive naturals, namely, 9321251 + ... + 9321258.

It is an arithmetic number, because the mean of its divisors is an integer number (21749595).

Almost surely, 2^74570036 is an apocalyptic number.

It is an amenable number.

74570036 is a deficient number, since it is larger than the sum of its proper divisors (55927534).

74570036 is a wasteful number, since it uses less digits than its factorization.

74570036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642513 (or 18642511 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 74570036 is about 8635.3943743178. The cubic root of 74570036 is about 420.9089084369.

The spelling of 74570036 in words is "seventy-four million, five hundred seventy thousand, thirty-six".