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74216371 = 713972633
BaseRepresentation
bin1000110110001…
…11001110110011
312011122120201111
410123013032303
5122444410441
611210414151
71560554155
oct433071663
9164576644
1074216371
1138990949
1220a31357
13124b6a18
149bdcad5
1567b0081
hex46c73b3

74216371 has 8 divisors (see below), whose sum is σ = 75479904. Its totient is φ = 72959040.

The previous prime is 74216353. The next prime is 74216393. The reversal of 74216371 is 17361247.

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 74216371 - 219 = 73692083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74226371) 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, 26871 + ... + 29503.

It is an arithmetic number, because the mean of its divisors is an integer number (9434988).

Almost surely, 274216371 is an apocalyptic number.

74216371 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

74216371 is a deficient number, since it is larger than the sum of its proper divisors (1263533).

74216371 is a wasteful number, since it uses less digits than its factorization.

74216371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101.

The product of its digits is 7056, while the sum is 31.

The square root of 74216371 is about 8614.8923963100. The cubic root of 74216371 is about 420.2424356183.

The spelling of 74216371 in words is "seventy-four million, two hundred sixteen thousand, three hundred seventy-one".

Divisors: 1 71 397 2633 28187 186943 1045301 74216371