74689705 has 8 divisors (see below), whose sum is σ = 89735112. Its totient is φ = 59680128.

The previous prime is 74689691. The next prime is 74689711. The reversal of 74689705 is 50798647.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9467929 + 65221776 = 3077^2 + 8076^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74689705 - 2⁵ = 74689673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4132 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (11216889).

Almost surely, 2^74689705 is an apocalyptic number.

It is an amenable number.

74689705 is a deficient number, since it is larger than the sum of its proper divisors (15045407).

74689705 is a wasteful number, since it uses less digits than its factorization.

74689705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17915.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 74689705 is about 8642.3205795666. The cubic root of 74689705 is about 421.1339444372.

The spelling of 74689705 in words is "seventy-four million, six hundred eighty-nine thousand, seven hundred five".