74020010 has 16 divisors (see below), whose sum is σ = 140248800. Its totient is φ = 28049616.

The previous prime is 74020007. The next prime is 74020013. The reversal of 74020010 is 1002047.

74020010 = 238² + 239² + ... + 617².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74020007) and next prime (74020013).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74020013) 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 7 ways as a sum of consecutive naturals, for example, 194600 + ... + 194979.

It is an arithmetic number, because the mean of its divisors is an integer number (8765550).

Almost surely, 2^74020010 is an apocalyptic number.

74020010 is a deficient number, since it is larger than the sum of its proper divisors (66228790).

74020010 is a wasteful number, since it uses less digits than its factorization.

74020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389605.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 74020010 is about 8603.4882460546. The cubic root of 74020010 is about 419.8714837328.

Adding to 74020010 its reverse (1002047), we get a palindrome (75022057).

The spelling of 74020010 in words is "seventy-four million, twenty thousand, ten".