74228189501 has 4 divisors (see below), whose sum is σ = 77455502112. Its totient is φ = 71000876892.

The previous prime is 74228189461. The next prime is 74228189509. The reversal of 74228189501 is 10598182247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74228189501 - 2¹⁰ = 74228188477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74228189509) 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, 1613656271 + ... + 1613656316.

It is an arithmetic number, because the mean of its divisors is an integer number (19363875528).

Almost surely, 2^74228189501 is an apocalyptic number.

It is an amenable number.

74228189501 is a deficient number, since it is larger than the sum of its proper divisors (3227312611).

74228189501 is a wasteful number, since it uses less digits than its factorization.

74228189501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227312610.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 74228189501 in words is "seventy-four billion, two hundred twenty-eight million, one hundred eighty-nine thousand, five hundred one".