74077969 has 8 divisors (see below), whose sum is σ = 86462208. Its totient is φ = 62144160.

The previous prime is 74077967. The next prime is 74077987. The reversal of 74077969 is 96977047.

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 74077969 - 2¹ = 74077967 is a prime.

It is a super-2 number, since 2×74077969² = 10975090982329922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74077961) 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, 112252 + ... + 112909.

It is an arithmetic number, because the mean of its divisors is an integer number (10807776).

Almost surely, 2^74077969 is an apocalyptic number.

It is an amenable number.

74077969 is a deficient number, since it is larger than the sum of its proper divisors (12384239).

74077969 is a wasteful number, since it uses less digits than its factorization.

74077969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225215.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 74077969 is about 8606.8559300130. The cubic root of 74077969 is about 419.9810441180.

It can be divided in two parts, 7407 and 7969, that added together give a square (15376 = 124²).

The spelling of 74077969 in words is "seventy-four million, seventy-seven thousand, nine hundred sixty-nine".