74775572 has 12 divisors (see below), whose sum is σ = 135369780. Its totient is φ = 36098496.

The previous prime is 74775539. The next prime is 74775577. The reversal of 74775572 is 27557747.

It can be written as a sum of positive squares in 2 ways, for example, as 46430596 + 28344976 = 6814^2 + 5324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74775577) 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 3 ways as a sum of consecutive naturals, for example, 322193 + ... + 322424.

It is an arithmetic number, because the mean of its divisors is an integer number (11280815).

Almost surely, 2^74775572 is an apocalyptic number.

It is an amenable number.

74775572 is a deficient number, since it is larger than the sum of its proper divisors (60594208).

74775572 is a wasteful number, since it uses less digits than its factorization.

74775572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644650 (or 644648 counting only the distinct ones).

The product of its digits is 480200, while the sum is 44.

The square root of 74775572 is about 8647.2869733807. The cubic root of 74775572 is about 421.2952681411.

The spelling of 74775572 in words is "seventy-four million, seven hundred seventy-five thousand, five hundred seventy-two".