74641397 has 8 divisors (see below), whose sum is σ = 77264640. Its totient is φ = 72031680.

The previous prime is 74641351. The next prime is 74641409. The reversal of 74641397 is 79314647.

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 74641397 - 2¹⁰ = 74640373 is a prime.

It is a super-3 number, since 3×74641397³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74641327) 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, 8573 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (9658080).

Almost surely, 2^74641397 is an apocalyptic number.

It is an amenable number.

74641397 is a deficient number, since it is larger than the sum of its proper divisors (2623243).

74641397 is a wasteful number, since it uses less digits than its factorization.

74641397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its digits is 127008, while the sum is 41.

The square root of 74641397 is about 8639.5252763100. The cubic root of 74641397 is about 421.0431308226.

The spelling of 74641397 in words is "seventy-four million, six hundred forty-one thousand, three hundred ninety-seven".