74530641 has 4 divisors (see below), whose sum is σ = 99374192. Its totient is φ = 49687092.

The previous prime is 74530639. The next prime is 74530693. The reversal of 74530641 is 14603547.

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 not a de Polignac number, because 74530641 - 2¹ = 74530639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74530599 and 74530608.

It is not an unprimeable number, because it can be changed into a prime (74530441) 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, 12421771 + ... + 12421776.

It is an arithmetic number, because the mean of its divisors is an integer number (24843548).

Almost surely, 2^74530641 is an apocalyptic number.

It is an amenable number.

74530641 is a deficient number, since it is larger than the sum of its proper divisors (24843551).

74530641 is a wasteful number, since it uses less digits than its factorization.

74530641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24843550.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 74530641 is about 8633.1130538178. The cubic root of 74530641 is about 420.8347739802.

The spelling of 74530641 in words is "seventy-four million, five hundred thirty thousand, six hundred forty-one".