74488072 has 8 divisors (see below), whose sum is σ = 139665150. Its totient is φ = 37244032.

The previous prime is 74488027. The next prime is 74488079. The reversal of 74488072 is 27088447.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 59074596 + 15413476 = 7686^2 + 3926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (74488079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655497 + ... + 4655512.

Almost surely, 2^74488072 is an apocalyptic number.

It is an amenable number.

74488072 is a deficient number, since it is larger than the sum of its proper divisors (65177078).

74488072 is a wasteful number, since it uses less digits than its factorization.

74488072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311015 (or 9311011 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 74488072 is about 8630.6472526688. The cubic root of 74488072 is about 420.7546372426.

The spelling of 74488072 in words is "seventy-four million, four hundred eighty-eight thousand, seventy-two".