74528820623 has 8 divisors (see below), whose sum is σ = 75052158000. Its totient is φ = 74005792128.

The previous prime is 74528820601. The next prime is 74528820637. The reversal of 74528820623 is 32602882547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74528820623 - 2¹⁶ = 74528755087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74528820673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418148 + ... + 569126.

It is an arithmetic number, because the mean of its divisors is an integer number (9381519750).

Almost surely, 2^74528820623 is an apocalyptic number.

74528820623 is a deficient number, since it is larger than the sum of its proper divisors (523337377).

74528820623 is a wasteful number, since it uses less digits than its factorization.

74528820623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154441.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 74528820623 in words is "seventy-four billion, five hundred twenty-eight million, eight hundred twenty thousand, six hundred twenty-three".