74360409 has 16 divisors (see below), whose sum is σ = 100945920. Its totient is φ = 48681360.

The previous prime is 74360371. The next prime is 74360423. The reversal of 74360409 is 90406347.

It is not a de Polignac number, because 74360409 - 2¹² = 74356313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74360409.

It is not an unprimeable number, because it can be changed into a prime (74360009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49264 + ... + 50750.

It is an arithmetic number, because the mean of its divisors is an integer number (6309120).

Almost surely, 2^74360409 is an apocalyptic number.

74360409 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

74360409 is a deficient number, since it is larger than the sum of its proper divisors (26585511).

74360409 is a wasteful number, since it uses less digits than its factorization.

74360409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 74360409 is about 8623.2481699183. The cubic root of 74360409 is about 420.5141266310.

The spelling of 74360409 in words is "seventy-four million, three hundred sixty thousand, four hundred nine".