74096639 has 8 divisors (see below), whose sum is σ = 78587232. Its totient is φ = 69711840.

The previous prime is 74096629. The next prime is 74096641. The reversal of 74096639 is 93669047.

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 74096639 - 2⁸ = 74096383 is a prime.

It is a super-2 number, since 2×74096639² = 10980623822192642, which contains 22 as substring.

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 74096639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74096629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25004 + ... + 27809.

It is an arithmetic number, because the mean of its divisors is an integer number (9823404).

Almost surely, 2^74096639 is an apocalyptic number.

74096639 is a deficient number, since it is larger than the sum of its proper divisors (4490593).

74096639 is a wasteful number, since it uses less digits than its factorization.

74096639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52897.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 74096639 is about 8607.9404621547. The cubic root of 74096639 is about 420.0163240065.

It can be divided in two parts, 740 and 96639, that added together give a palindrome (97379).

The spelling of 74096639 in words is "seventy-four million, ninety-six thousand, six hundred thirty-nine".