74121076 has 6 divisors (see below), whose sum is σ = 129711890. Its totient is φ = 37060536.

The previous prime is 74121059. The next prime is 74121079. The reversal of 74121076 is 67012147.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 3896676 = 8380^2 + 1974^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74121079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9265131 + ... + 9265138.

Almost surely, 2^74121076 is an apocalyptic number.

It is an amenable number.

74121076 is a deficient number, since it is larger than the sum of its proper divisors (55590814).

74121076 is a wasteful number, since it uses less digits than its factorization.

74121076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18530273 (or 18530271 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 74121076 is about 8609.3597903677. The cubic root of 74121076 is about 420.0624925908.

The spelling of 74121076 in words is "seventy-four million, one hundred twenty-one thousand, seventy-six".