74380601 has 4 divisors (see below), whose sum is σ = 76194804. Its totient is φ = 72566400.

The previous prime is 74380591. The next prime is 74380609. The reversal of 74380601 is 10608347.

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 3904576 + 70476025 = 1976^2 + 8395^2 .

It is a cyclic number.

It is not a de Polignac number, because 74380601 - 2²² = 70186297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74380609) 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, 907040 + ... + 907121.

It is an arithmetic number, because the mean of its divisors is an integer number (19048701).

Almost surely, 2^74380601 is an apocalyptic number.

It is an amenable number.

74380601 is a deficient number, since it is larger than the sum of its proper divisors (1814203).

74380601 is a wasteful number, since it uses less digits than its factorization.

74380601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814202.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 74380601 is about 8624.4188789738. The cubic root of 74380601 is about 420.5521856506.

Adding to 74380601 its reverse (10608347), we get a palindrome (84988948).

The spelling of 74380601 in words is "seventy-four million, three hundred eighty thousand, six hundred one".