74715407 has 18 divisors (see below), whose sum is σ = 83241576. Its totient is φ = 67030080.

The previous prime is 74715379. The next prime is 74715409. The reversal of 74715407 is 70451747.

It is not a de Polignac number, because 74715407 - 2¹⁰ = 74714383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74715409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 283958 + ... + 284220.

It is an arithmetic number, because the mean of its divisors is an integer number (4624532).

Almost surely, 2^74715407 is an apocalyptic number.

74715407 is a deficient number, since it is larger than the sum of its proper divisors (8526169).

74715407 is a wasteful number, since it uses less digits than its factorization.

74715407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 74715407 is about 8643.8074365409. The cubic root of 74715407 is about 421.1822453523.

The spelling of 74715407 in words is "seventy-four million, seven hundred fifteen thousand, four hundred seven".