74320573264539 has 32 divisors (see below), whose sum is σ = 113847026933760. Its totient is φ = 42245177356800.

The previous prime is 74320573264519. The next prime is 74320573264541. The reversal of 74320573264539 is 93546237502347.

It is not a de Polignac number, because 74320573264539 - 2¹² = 74320573260443 is a prime.

It is a super-2 number, since 2×74320573264539² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74320573264519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130349799 + ... + 130918719.

It is an arithmetic number, because the mean of its divisors is an integer number (3557719591680).

Almost surely, 2^{74320573264539} is an apocalyptic number.

74320573264539 is a deficient number, since it is larger than the sum of its proper divisors (39526453669221).

74320573264539 is a wasteful number, since it uses less digits than its factorization.

74320573264539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601691.

The product of its (nonzero) digits is 114307200, while the sum is 60.

The spelling of 74320573264539 in words is "seventy-four trillion, three hundred twenty billion, five hundred seventy-three million, two hundred sixty-four thousand, five hundred thirty-nine".