74674681 has 8 divisors (see below), whose sum is σ = 78894720. Its totient is φ = 70564368.

The previous prime is 74674673. The next prime is 74674709. The reversal of 74674681 is 18647647.

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 74674681 - 2³ = 74674673 is a prime.

It is a super-2 number, since 2×74674681² = 11152615964903522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74674651) 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, 26031 + ... + 28756.

It is an arithmetic number, because the mean of its divisors is an integer number (9861840).

Almost surely, 2^74674681 is an apocalyptic number.

It is an amenable number.

74674681 is a deficient number, since it is larger than the sum of its proper divisors (4220039).

74674681 is a wasteful number, since it uses less digits than its factorization.

74674681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54863.

The product of its digits is 225792, while the sum is 43.

The square root of 74674681 is about 8641.4513248644. The cubic root of 74674681 is about 421.1057052010.

The spelling of 74674681 in words is "seventy-four million, six hundred seventy-four thousand, six hundred eighty-one".