74401706 has 4 divisors (see below), whose sum is σ = 111602562. Its totient is φ = 37200852.

The previous prime is 74401697. The next prime is 74401727. The reversal of 74401706 is 60710447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65044225 + 9357481 = 8065^2 + 3059^2 .

It is a super-2 number, since 2×74401706² = 11071227711420872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18600425 + ... + 18600428.

Almost surely, 2^74401706 is an apocalyptic number.

74401706 is a deficient number, since it is larger than the sum of its proper divisors (37200856).

74401706 is a wasteful number, since it uses less digits than its factorization.

74401706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37200855.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 74401706 is about 8625.6423528918. The cubic root of 74401706 is about 420.5919581828.

The spelling of 74401706 in words is "seventy-four million, four hundred one thousand, seven hundred six".