74236501 has 4 divisors (see below), whose sum is σ = 78603372. Its totient is φ = 69869632.

The previous prime is 74236499. The next prime is 74236523. The reversal of 74236501 is 10563247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20566225 + 53670276 = 4535^2 + 7326^2 .

It is a cyclic number.

It is not a de Polignac number, because 74236501 - 2¹ = 74236499 is a prime.

It is a super-3 number, since 3×74236501³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74236501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74236301) 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, 2183410 + ... + 2183443.

It is an arithmetic number, because the mean of its divisors is an integer number (19650843).

Almost surely, 2^74236501 is an apocalyptic number.

It is an amenable number.

74236501 is a deficient number, since it is larger than the sum of its proper divisors (4366871).

74236501 is a wasteful number, since it uses less digits than its factorization.

74236501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366870.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 74236501 is about 8616.0606427764. The cubic root of 74236501 is about 420.2804268566.

Adding to 74236501 its reverse (10563247), we get a palindrome (84799748).

It can be divided in two parts, 7423 and 6501, that added together give a square (13924 = 118²).

The spelling of 74236501 in words is "seventy-four million, two hundred thirty-six thousand, five hundred one".