74265641 has 4 divisors (see below), whose sum is σ = 74285952. Its totient is φ = 74245332.

The previous prime is 74265617. The next prime is 74265647. The reversal of 74265641 is 14656247.

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 74265641 - 2⁶ = 74265577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74265647) 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, 2981 + ... + 12546.

It is an arithmetic number, because the mean of its divisors is an integer number (18571488).

Almost surely, 2^74265641 is an apocalyptic number.

It is an amenable number.

74265641 is a deficient number, since it is larger than the sum of its proper divisors (20311).

74265641 is a wasteful number, since it uses less digits than its factorization.

74265641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20310.

The product of its digits is 40320, while the sum is 35.

The square root of 74265641 is about 8617.7515048880. The cubic root of 74265641 is about 420.3354104536.

The spelling of 74265641 in words is "seventy-four million, two hundred sixty-five thousand, six hundred forty-one".