74006905 has 24 divisors (see below), whose sum is σ = 105522048. Its totient is φ = 49660128.

The previous prime is 74006903. The next prime is 74006917. The reversal of 74006905 is 50960047.

It is not a de Polignac number, because 74006905 - 2¹ = 74006903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74006903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8302 + ... + 14728.

It is an arithmetic number, because the mean of its divisors is an integer number (4396752).

Almost surely, 2^74006905 is an apocalyptic number.

It is an amenable number.

74006905 is a deficient number, since it is larger than the sum of its proper divisors (31515143).

74006905 is a wasteful number, since it uses less digits than its factorization.

74006905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493 (or 6486 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 74006905 is about 8602.7266026534. The cubic root of 74006905 is about 419.8467033140.

The spelling of 74006905 in words is "seventy-four million, six thousand, nine hundred five".