74409387 has 8 divisors (see below), whose sum is σ = 106844304. Its totient is φ = 45790368.

The previous prime is 74409359. The next prime is 74409407. The reversal of 74409387 is 78390447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74409387 - 2¹² = 74405291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74409487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953928 + ... + 954005.

It is an arithmetic number, because the mean of its divisors is an integer number (13355538).

Almost surely, 2^74409387 is an apocalyptic number.

74409387 is a deficient number, since it is larger than the sum of its proper divisors (32434917).

74409387 is a wasteful number, since it uses less digits than its factorization.

74409387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907949.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 74409387 is about 8626.0875836036. The cubic root of 74409387 is about 420.6064312186.

The spelling of 74409387 in words is "seventy-four million, four hundred nine thousand, three hundred eighty-seven".