74277697 has 12 divisors (see below), whose sum is σ = 80850864. Its totient is φ = 68206320.

The previous prime is 74277689. The next prime is 74277737. The reversal of 74277697 is 79677247.

It is not a de Polignac number, because 74277697 - 2³ = 74277689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74277697.

It is not an unprimeable number, because it can be changed into a prime (74277667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34618 + ... + 36700.

It is an arithmetic number, because the mean of its divisors is an integer number (6737572).

Almost surely, 2^74277697 is an apocalyptic number.

It is an amenable number.

74277697 is a deficient number, since it is larger than the sum of its proper divisors (6573167).

74277697 is a wasteful number, since it uses less digits than its factorization.

74277697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2307 counting only the distinct ones).

The product of its digits is 1037232, while the sum is 49.

The square root of 74277697 is about 8618.4509629051. The cubic root of 74277697 is about 420.3581544370.

The spelling of 74277697 in words is "seventy-four million, two hundred seventy-seven thousand, six hundred ninety-seven".