74622681 has 16 divisors (see below), whose sum is σ = 126345600. Its totient is φ = 42641424.

The previous prime is 74622679. The next prime is 74622683. The reversal of 74622681 is 18622647.

It is an interprime number because it is at equal distance from previous prime (74622679) and next prime (74622683).

It is not a de Polignac number, because 74622681 - 2¹ = 74622679 is a prime.

It is a super-2 number, since 2×74622681² = 11137089039255522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74622683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197226 + ... + 197603.

It is an arithmetic number, because the mean of its divisors is an integer number (7896600).

Almost surely, 2^74622681 is an apocalyptic number.

It is an amenable number.

74622681 is a deficient number, since it is larger than the sum of its proper divisors (51722919).

74622681 is a wasteful number, since it uses less digits than its factorization.

74622681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394845 (or 394839 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 74622681 is about 8638.4420470360. The cubic root of 74622681 is about 421.0079363135.

The spelling of 74622681 in words is "seventy-four million, six hundred twenty-two thousand, six hundred eighty-one".