74247076 has 12 divisors (see below), whose sum is σ = 134413020. Its totient is φ = 35843360.

The previous prime is 74247073. The next prime is 74247091. The reversal of 74247076 is 67074247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13032100 + 61214976 = 3610^2 + 7824^2 .

It is not an unprimeable number, because it can be changed into a prime (74247071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319915 + ... + 320146.

It is an arithmetic number, because the mean of its divisors is an integer number (11201085).

Almost surely, 2^74247076 is an apocalyptic number.

It is an amenable number.

74247076 is a deficient number, since it is larger than the sum of its proper divisors (60165944).

74247076 is a wasteful number, since it uses less digits than its factorization.

74247076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640094 (or 640092 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 74247076 is about 8616.6743004479. The cubic root of 74247076 is about 420.3003822444.

The spelling of 74247076 in words is "seventy-four million, two hundred forty-seven thousand, seventy-six".