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74342207 = 1710342457
BaseRepresentation
bin1000110111001…
…01111100111111
312011212222100002
410123211330333
5123012422312
611213224515
71561620062
oct433457477
9164788302
1074342207
1138a67445
1220a9213b
131252c094
149c328d9
1567d74c2
hex46e5f3f

74342207 has 8 divisors (see below), whose sum is σ = 79481376. Its totient is φ = 69288192.

The previous prime is 74342189. The next prime is 74342291. The reversal of 74342207 is 70224347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74342207 - 28 = 74341951 is a prime.

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 74342207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74342707) 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, 19478 + ... + 22979.

It is an arithmetic number, because the mean of its divisors is an integer number (9935172).

Almost surely, 274342207 is an apocalyptic number.

74342207 is a deficient number, since it is larger than the sum of its proper divisors (5139169).

74342207 is a wasteful number, since it uses less digits than its factorization.

74342207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42577.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 74342207 is about 8622.1927025554. The cubic root of 74342207 is about 420.4798125703.

The spelling of 74342207 in words is "seventy-four million, three hundred forty-two thousand, two hundred seven".

Divisors: 1 17 103 1751 42457 721769 4373071 74342207