74401769 has 8 divisors (see below), whose sum is σ = 80197320. Its totient is φ = 68616576.

The previous prime is 74401763. The next prime is 74401801. The reversal of 74401769 is 96710447.

It can be written as a sum of positive squares in 4 ways, for example, as 6553600 + 67848169 = 2560^2 + 8237^2 .

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 74401769 - 2⁴ = 74401753 is a prime.

It is a super-2 number, since 2×74401769² = 11071246460658722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74401763) 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, 19139 + ... + 22695.

It is an arithmetic number, because the mean of its divisors is an integer number (10024665).

Almost surely, 2^74401769 is an apocalyptic number.

It is an amenable number.

74401769 is a deficient number, since it is larger than the sum of its proper divisors (5795551).

74401769 is a wasteful number, since it uses less digits than its factorization.

74401769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 74401769 is about 8625.6460047929. The cubic root of 74401769 is about 420.5920768955.

The spelling of 74401769 in words is "seventy-four million, four hundred one thousand, seven hundred sixty-nine".