74486641 has 4 divisors (see below), whose sum is σ = 74538352. Its totient is φ = 74434932.

The previous prime is 74486611. The next prime is 74486653. The reversal of 74486641 is 14668447.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14668447 = 41 ⋅357767.

It is a cyclic number.

It is not a de Polignac number, because 74486641 - 2¹¹ = 74484593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74486594 and 74486603.

It is not an unprimeable number, because it can be changed into a prime (74486611) 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, 23631 + ... + 26596.

It is an arithmetic number, because the mean of its divisors is an integer number (18634588).

Almost surely, 2^74486641 is an apocalyptic number.

It is an amenable number.

74486641 is a deficient number, since it is larger than the sum of its proper divisors (51711).

74486641 is a wasteful number, since it uses less digits than its factorization.

74486641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51710.

The product of its digits is 129024, while the sum is 40.

The square root of 74486641 is about 8630.5643500295. The cubic root of 74486641 is about 420.7519428347.

The spelling of 74486641 in words is "seventy-four million, four hundred eighty-six thousand, six hundred forty-one".