74224734577 has 8 divisors (see below), whose sum is σ = 85183200000. Its totient is φ = 63355002144.

The previous prime is 74224734491. The next prime is 74224734589. The reversal of 74224734577 is 77543742247.

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

It is not a de Polignac number, because 74224734577 - 2¹⁵ = 74224701809 is a prime.

It is a super-2 number, since 2×74224734577² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74224732577) 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, 22181452 + ... + 22184797.

It is an arithmetic number, because the mean of its divisors is an integer number (10647900000).

Almost surely, 2^74224734577 is an apocalyptic number.

It is an amenable number.

74224734577 is a deficient number, since it is larger than the sum of its proper divisors (10958465423).

74224734577 is a wasteful number, since it uses less digits than its factorization.

74224734577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44366495.

The product of its digits is 9219840, while the sum is 52.

The spelling of 74224734577 in words is "seventy-four billion, two hundred twenty-four million, seven hundred thirty-four thousand, five hundred seventy-seven".