74644105 has 8 divisors (see below), whose sum is σ = 89669952. Its totient is φ = 59650608.

The previous prime is 74644099. The next prime is 74644109. The reversal of 74644105 is 50144647.

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 74644105 - 2⁷ = 74643977 is a prime.

It is a super-2 number, since 2×74644105² = 11143484822502050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74644109) 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, 2679 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (11208744).

Almost surely, 2^74644105 is an apocalyptic number.

It is an amenable number.

74644105 is a deficient number, since it is larger than the sum of its proper divisors (15025847).

74644105 is a wasteful number, since it uses less digits than its factorization.

74644105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 74644105 is about 8639.6819964626. The cubic root of 74644105 is about 421.0482225950.

The spelling of 74644105 in words is "seventy-four million, six hundred forty-four thousand, one hundred five".