74800621 has 8 divisors (see below), whose sum is σ = 85821120. Its totient is φ = 63863808.

The previous prime is 74800601. The next prime is 74800637. The reversal of 74800621 is 12600847.

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 74800621 - 2⁹ = 74800109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74800621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74800601) 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 in 7 ways as a sum of consecutive naturals, for example, 18991 + ... + 22588.

It is an arithmetic number, because the mean of its divisors is an integer number (10727640).

Almost surely, 2^74800621 is an apocalyptic number.

It is an amenable number.

74800621 is a deficient number, since it is larger than the sum of its proper divisors (11020499).

74800621 is a wasteful number, since it uses less digits than its factorization.

74800621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41843.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 74800621 is about 8648.7352254535. The cubic root of 74800621 is about 421.3423059937.

The spelling of 74800621 in words is "seventy-four million, eight hundred thousand, six hundred twenty-one".