74614681 has 8 divisors (see below), whose sum is σ = 77713344. Its totient is φ = 71573040.

The previous prime is 74614679. The next prime is 74614697. The reversal of 74614681 is 18641647.

It is a happy number.

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 74614681 - 2¹ = 74614679 is a prime.

It is a super-2 number, since 2×74614681² = 11134701241463522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 74614681.

It is not an unprimeable number, because it can be changed into a prime (74614601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11575 + ... + 16828.

It is an arithmetic number, because the mean of its divisors is an integer number (9714168).

Almost surely, 2^74614681 is an apocalyptic number.

74614681 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

74614681 is a deficient number, since it is larger than the sum of its proper divisors (3098663).

74614681 is a wasteful number, since it uses less digits than its factorization.

74614681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28511.

The product of its digits is 32256, while the sum is 37.

The square root of 74614681 is about 8637.9789881662. The cubic root of 74614681 is about 420.9928909153.

The spelling of 74614681 in words is "seventy-four million, six hundred fourteen thousand, six hundred eighty-one".