74377471 has 4 divisors (see below), whose sum is σ = 85002832. Its totient is φ = 63752112.

The previous prime is 74377441. The next prime is 74377481. The reversal of 74377471 is 17477347.

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

It is a cyclic number.

It is not a de Polignac number, because 74377471 - 2¹⁹ = 73853183 is a prime.

It is a super-3 number, since 3×74377471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74377411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312670 + ... + 5312683.

It is an arithmetic number, because the mean of its divisors is an integer number (21250708).

Almost surely, 2^74377471 is an apocalyptic number.

74377471 is a deficient number, since it is larger than the sum of its proper divisors (10625361).

74377471 is a wasteful number, since it uses less digits than its factorization.

74377471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625360.

The product of its digits is 115248, while the sum is 40.

The square root of 74377471 is about 8624.2374155632. The cubic root of 74377471 is about 420.5462865013.

The spelling of 74377471 in words is "seventy-four million, three hundred seventy-seven thousand, four hundred seventy-one".